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[libc++][P1115][C++20] Improving the Return Value of Erase-Like Algorithms II: Free erase/erase if. 

Summary:
This patch adds return type to std::erase and std::erase_if functions.

Also:
* Update __cpp_lib_erase_if to 202002L.
* Fix synopsis in unordered_map.
* Fix generate_feature_test_macro_components.py script.

Reviewers: EricWF, mclow.lists, ldionne, #libc

Reviewed By: ldionne, #libc

Subscribers: broadwaylamb, zoecarver, dexonsmith, ldionne, libcxx-commits

Tags: #libc

Differential Revision: https://reviews.llvm.org/D75905
This commit is contained in:
Marek Kurdej 2020-05-02 13:58:03 +02:00
parent 8148b11647
commit 3e895085de
42 changed files with 687 additions and 637 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libcxx/docs/FeatureTestMacroTable.rst
View File

@ -186,7 +186,7 @@ Status
------------------------------------------------- -----------------
``__cpp_lib_endian`` ``201907L``
------------------------------------------------- -----------------
``__cpp_lib_erase_if`` ``201811L``
``__cpp_lib_erase_if`` ``202002L``
------------------------------------------------- -----------------
``__cpp_lib_generic_unordered_lookup`` *unimplemented*
------------------------------------------------- -----------------

24
libcxx/include/deque
View File

@ -150,9 +150,11 @@ template <class T, class Allocator>
noexcept(noexcept(x.swap(y)));
template <class T, class Allocator, class U>
void erase(deque<T, Allocator>& c, const U& value); // C++20
typename deque<T, Allocator>::size_type
erase(deque<T, Allocator>& c, const U& value); // C++20
template <class T, class Allocator, class Predicate>
void erase_if(deque<T, Allocator>& c, Predicate pred); // C++20
typename deque<T, Allocator>::size_type
erase_if(deque<T, Allocator>& c, Predicate pred); // C++20
} // std
@ -3021,14 +3023,20 @@ swap(deque<_Tp, _Allocator>& __x, deque<_Tp, _Allocator>& __y)
#if _LIBCPP_STD_VER > 17
template <class _Tp, class _Allocator, class _Up>
inline _LIBCPP_INLINE_VISIBILITY
void erase(deque<_Tp, _Allocator>& __c, const _Up& __v)
{ __c.erase(_VSTD::remove(__c.begin(), __c.end(), __v), __c.end()); }
inline _LIBCPP_INLINE_VISIBILITY typename deque<_Tp, _Allocator>::size_type
erase(deque<_Tp, _Allocator>& __c, const _Up& __v) {
auto __old_size = __c.size();
__c.erase(_VSTD::remove(__c.begin(), __c.end(), __v), __c.end());
return __old_size - __c.size();
}
template <class _Tp, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(deque<_Tp, _Allocator>& __c, _Predicate __pred)
{ __c.erase(_VSTD::remove_if(__c.begin(), __c.end(), __pred), __c.end()); }
inline _LIBCPP_INLINE_VISIBILITY typename deque<_Tp, _Allocator>::size_type
erase_if(deque<_Tp, _Allocator>& __c, _Predicate __pred) {
auto __old_size = __c.size();
__c.erase(_VSTD::remove_if(__c.begin(), __c.end(), __pred), __c.end());
return __old_size - __c.size();
}
#endif

18
libcxx/include/forward_list
View File

@ -169,9 +169,11 @@ template <class T, class Allocator>
noexcept(noexcept(x.swap(y)));
template <class T, class Allocator, class U>
void erase(forward_list<T, Allocator>& c, const U& value); // C++20
typename forward_list<T, Allocator>::size_type
erase(forward_list<T, Allocator>& c, const U& value); // C++20
template <class T, class Allocator, class Predicate>
void erase_if(forward_list<T, Allocator>& c, Predicate pred); // C++20
typename forward_list<T, Allocator>::size_type
erase_if(forward_list<T, Allocator>& c, Predicate pred); // C++20
} // std
@ -1765,13 +1767,17 @@ swap(forward_list<_Tp, _Alloc>& __x, forward_list<_Tp, _Alloc>& __y)
#if _LIBCPP_STD_VER > 17
template <class _Tp, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(forward_list<_Tp, _Allocator>& __c, _Predicate __pred)
{ __c.remove_if(__pred); }
typename forward_list<_Tp, _Allocator>::size_type
erase_if(forward_list<_Tp, _Allocator>& __c, _Predicate __pred) {
return __c.remove_if(__pred);
}
template <class _Tp, class _Allocator, class _Up>
inline _LIBCPP_INLINE_VISIBILITY
void erase(forward_list<_Tp, _Allocator>& __c, const _Up& __v)
{ _VSTD::erase_if(__c, [&](auto& __elem) { return __elem == __v; }); }
typename forward_list<_Tp, _Allocator>::size_type
erase(forward_list<_Tp, _Allocator>& __c, const _Up& __v) {
return _VSTD::erase_if(__c, [&](auto& __elem) { return __elem == __v; });
}
#endif
_LIBCPP_END_NAMESPACE_STD

22
libcxx/include/functional
View File

@ -3163,15 +3163,19 @@ using unwrap_ref_decay_t = typename unwrap_ref_decay<_Tp>::type;
#endif // > C++17
template <class _Container, class _Predicate>
inline void __libcpp_erase_if_container( _Container& __c, _Predicate __pred)
{
for (typename _Container::iterator __iter = __c.begin(), __last = __c.end(); __iter != __last;)
{
if (__pred(*__iter))
__iter = __c.erase(__iter);
else
++__iter;
}
inline typename _Container::size_type
__libcpp_erase_if_container(_Container& __c, _Predicate __pred) {
typename _Container::size_type __old_size = __c.size();
const typename _Container::iterator __last = __c.end();
for (typename _Container::iterator __iter = __c.begin(); __iter != __last;) {
if (__pred(*__iter))
__iter = __c.erase(__iter);
else
++__iter;
}
return __old_size - __c.size();
}
_LIBCPP_END_NAMESPACE_STD

20
libcxx/include/list
View File

@ -170,9 +170,11 @@ template <class T, class Alloc>
noexcept(noexcept(x.swap(y)));
template <class T, class Allocator, class U>
void erase(list<T, Allocator>& c, const U& value); // C++20
typename list<T, Allocator>::size_type
erase(list<T, Allocator>& c, const U& value); // C++20
template <class T, class Allocator, class Predicate>
void erase_if(list<T, Allocator>& c, Predicate pred); // C++20
typename list<T, Allocator>::size_type
erase_if(list<T, Allocator>& c, Predicate pred); // C++20
} // std
@ -2471,14 +2473,16 @@ swap(list<_Tp, _Alloc>& __x, list<_Tp, _Alloc>& __y)
#if _LIBCPP_STD_VER > 17
template <class _Tp, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(list<_Tp, _Allocator>& __c, _Predicate __pred)
{ __c.remove_if(__pred); }
inline _LIBCPP_INLINE_VISIBILITY typename list<_Tp, _Allocator>::size_type
erase_if(list<_Tp, _Allocator>& __c, _Predicate __pred) {
return __c.remove_if(__pred);
}
template <class _Tp, class _Allocator, class _Up>
inline _LIBCPP_INLINE_VISIBILITY
void erase(list<_Tp, _Allocator>& __c, const _Up& __v)
{ _VSTD::erase_if(__c, [&](auto& __elem) { return __elem == __v; }); }
inline _LIBCPP_INLINE_VISIBILITY typename list<_Tp, _Allocator>::size_type
erase(list<_Tp, _Allocator>& __c, const _Up& __v) {
return _VSTD::erase_if(__c, [&](auto& __elem) { return __elem == __v; });
}
#endif
_LIBCPP_END_NAMESPACE_STD

25
libcxx/include/map
View File

@ -254,7 +254,8 @@ swap(map<Key, T, Compare, Allocator>& x, map<Key, T, Compare, Allocator>& y)
noexcept(noexcept(x.swap(y)));
template <class Key, class T, class Compare, class Allocator, class Predicate>
void erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred); // C++20
typename map<Key, T, Compare, Allocator>::size_type
erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred); // C++20
template <class Key, class T, class Compare = less<Key>,
@ -469,7 +470,8 @@ swap(multimap<Key, T, Compare, Allocator>& x,
noexcept(noexcept(x.swap(y)));
template <class Key, class T, class Compare, class Allocator, class Predicate>
void erase_if(multimap<Key, T, Compare, Allocator>& c, Predicate pred); // C++20
typename multimap<Key, T, Compare, Allocator>::size_type
erase_if(multimap<Key, T, Compare, Allocator>& c, Predicate pred); // C++20
} // std
@ -1653,10 +1655,13 @@ swap(map<_Key, _Tp, _Compare, _Allocator>& __x,
}
#if _LIBCPP_STD_VER > 17
template <class _Key, class _Tp, class _Compare, class _Allocator, class _Predicate>
template <class _Key, class _Tp, class _Compare, class _Allocator,
class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(map<_Key, _Tp, _Compare, _Allocator>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename map<_Key, _Tp, _Compare, _Allocator>::size_type
erase_if(map<_Key, _Tp, _Compare, _Allocator>& __c, _Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
@ -2235,10 +2240,14 @@ swap(multimap<_Key, _Tp, _Compare, _Allocator>& __x,
}
#if _LIBCPP_STD_VER > 17
template <class _Key, class _Tp, class _Compare, class _Allocator, class _Predicate>
template <class _Key, class _Tp, class _Compare, class _Allocator,
class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(multimap<_Key, _Tp, _Compare, _Allocator>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename multimap<_Key, _Tp, _Compare, _Allocator>::size_type
erase_if(multimap<_Key, _Tp, _Compare, _Allocator>& __c,
_Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
_LIBCPP_END_NAMESPACE_STD

18
libcxx/include/set
View File

@ -216,7 +216,8 @@ swap(set<Key, Compare, Allocator>& x, set<Key, Compare, Allocator>& y)
noexcept(noexcept(x.swap(y)));
template <class Key, class Compare, class Allocator, class Predicate>
void erase_if(set<Key, Compare, Allocator>& c, Predicate pred); // C++20
typename set<Key, Compare, Allocator>::size_type
erase_if(set<Key, Compare, Allocator>& c, Predicate pred); // C++20
template <class Key, class Compare = less<Key>,
class Allocator = allocator<Key>>
@ -417,7 +418,8 @@ swap(multiset<Key, Compare, Allocator>& x, multiset<Key, Compare, Allocator>& y)
noexcept(noexcept(x.swap(y)));
template <class Key, class Compare, class Allocator, class Predicate>
void erase_if(multiset<Key, Compare, Allocator>& c, Predicate pred); // C++20
typename multiset<Key, Compare, Allocator>::size_type
erase_if(multiset<Key, Compare, Allocator>& c, Predicate pred); // C++20
} // std
@ -960,8 +962,10 @@ swap(set<_Key, _Compare, _Allocator>& __x,
#if _LIBCPP_STD_VER > 17
template <class _Key, class _Compare, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(set<_Key, _Compare, _Allocator>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename set<_Key, _Compare, _Allocator>::size_type
erase_if(set<_Key, _Compare, _Allocator>& __c, _Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
template <class _Key, class _Compare = less<_Key>,
@ -1484,8 +1488,10 @@ swap(multiset<_Key, _Compare, _Allocator>& __x,
#if _LIBCPP_STD_VER > 17
template <class _Key, class _Compare, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(multiset<_Key, _Compare, _Allocator>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename multiset<_Key, _Compare, _Allocator>::size_type
erase_if(multiset<_Key, _Compare, _Allocator>& __c, _Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
_LIBCPP_END_NAMESPACE_STD

28
libcxx/include/string
View File

@ -437,9 +437,11 @@ basic_istream<charT, traits>&
getline(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str);
template<class charT, class traits, class Allocator, class U>
void erase(basic_string<charT, traits, Allocator>& c, const U& value); // C++20
typename basic_string<charT, traits, Allocator>::size_type
erase(basic_string<charT, traits, Allocator>& c, const U& value); // C++20
template<class charT, class traits, class Allocator, class Predicate>
void erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred); // C++20
typename basic_string<charT, traits, Allocator>::size_type
erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred); // C++20
typedef basic_string<char> string;
typedef basic_string<wchar_t> wstring;
@ -4379,15 +4381,25 @@ getline(basic_istream<_CharT, _Traits>&& __is,
#endif // _LIBCPP_CXX03_LANG
#if _LIBCPP_STD_VER > 17
template<class _CharT, class _Traits, class _Allocator, class _Up>
template <class _CharT, class _Traits, class _Allocator, class _Up>
inline _LIBCPP_INLINE_VISIBILITY
void erase(basic_string<_CharT, _Traits, _Allocator>& __str, const _Up& __v)
{ __str.erase(_VSTD::remove(__str.begin(), __str.end(), __v), __str.end()); }
typename basic_string<_CharT, _Traits, _Allocator>::size_type
erase(basic_string<_CharT, _Traits, _Allocator>& __str, const _Up& __v) {
auto __old_size = __str.size();
__str.erase(_VSTD::remove(__str.begin(), __str.end(), __v), __str.end());
return __old_size - __str.size();
}
template<class _CharT, class _Traits, class _Allocator, class _Predicate>
template <class _CharT, class _Traits, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(basic_string<_CharT, _Traits, _Allocator>& __str, _Predicate __pred)
{ __str.erase(_VSTD::remove_if(__str.begin(), __str.end(), __pred), __str.end()); }
typename basic_string<_CharT, _Traits, _Allocator>::size_type
erase_if(basic_string<_CharT, _Traits, _Allocator>& __str,
_Predicate __pred) {
auto __old_size = __str.size();
__str.erase(_VSTD::remove_if(__str.begin(), __str.end(), __pred),
__str.end());
return __old_size - __str.size();
}
#endif
#if _LIBCPP_DEBUG_LEVEL >= 2

26
libcxx/include/unordered_map
View File

@ -386,10 +386,12 @@ template <class Key, class T, class Hash, class Pred, class Alloc>
noexcept(noexcept(x.swap(y)));
template <class K, class T, class H, class P, class A, class Predicate>
void erase_if(unordered_set<K, T, H, P, A>& c, Predicate pred); // C++20
typename unordered_map<K, T, H, P, A>::size_type
erase_if(unordered_map<K, T, H, P, A>& c, Predicate pred); // C++20
template <class K, class T, class H, class P, class A, class Predicate>
void erase_if(unordered_multiset<K, T, H, P, A>& c, Predicate pred); // C++20
typename unordered_multimap<K, T, H, P, A>::size_type
erase_if(unordered_multimap<K, T, H, P, A>& c, Predicate pred); // C++20
template <class Key, class T, class Hash, class Pred, class Alloc>
bool
@ -1704,10 +1706,14 @@ swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
}
#if _LIBCPP_STD_VER > 17
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate>
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type
erase_if(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __c,
_Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
@ -2402,10 +2408,14 @@ swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
}
#if _LIBCPP_STD_VER > 17
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate>
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc,
class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type
erase_if(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __c,
_Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>

26
libcxx/include/unordered_set
View File

@ -341,10 +341,12 @@ template <class Value, class Hash, class Pred, class Alloc>
noexcept(noexcept(x.swap(y)));
template <class K, class T, class H, class P, class A, class Predicate>
void erase_if(unordered_set<K, T, H, P, A>& c, Predicate pred); // C++20
typename unordered_set<K, T, H, P, A>::size_type
erase_if(unordered_set<K, T, H, P, A>& c, Predicate pred); // C++20
template <class K, class T, class H, class P, class A, class Predicate>
void erase_if(unordered_multiset<K, T, H, P, A>& c, Predicate pred); // C++20
typename unordered_multiset<K, T, H, P, A>::size_type
erase_if(unordered_multiset<K, T, H, P, A>& c, Predicate pred); // C++20
template <class Value, class Hash, class Pred, class Alloc>
@ -1006,10 +1008,14 @@ swap(unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
}
#if _LIBCPP_STD_VER > 17
template <class _Value, class _Hash, class _Pred, class _Alloc, class _Predicate>
template <class _Value, class _Hash, class _Pred, class _Alloc,
class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(unordered_set<_Value, _Hash, _Pred, _Alloc>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename unordered_set<_Value, _Hash, _Pred, _Alloc>::size_type
erase_if(unordered_set<_Value, _Hash, _Pred, _Alloc>& __c,
_Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
template <class _Value, class _Hash, class _Pred, class _Alloc>
@ -1637,10 +1643,14 @@ swap(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
}
#if _LIBCPP_STD_VER > 17
template <class _Value, class _Hash, class _Pred, class _Alloc, class _Predicate>
template <class _Value, class _Hash, class _Pred, class _Alloc,
class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __c, _Predicate __pred)
{ __libcpp_erase_if_container(__c, __pred); }
typename unordered_multiset<_Value, _Hash, _Pred, _Alloc>::size_type
erase_if(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __c,
_Predicate __pred) {
return __libcpp_erase_if_container(__c, __pred);
}
#endif
template <class _Value, class _Hash, class _Pred, class _Alloc>

24
libcxx/include/vector
View File

@ -261,9 +261,11 @@ void swap(vector<T,Allocator>& x, vector<T,Allocator>& y)
noexcept(noexcept(x.swap(y)));
template <class T, class Allocator, class U>
void erase(vector<T, Allocator>& c, const U& value); // C++20
typename vector<T, Allocator>::size_type
erase(vector<T, Allocator>& c, const U& value); // C++20
template <class T, class Allocator, class Predicate>
void erase_if(vector<T, Allocator>& c, Predicate pred); // C++20
typename vector<T, Allocator>::size_type
erase_if(vector<T, Allocator>& c, Predicate pred); // C++20
} // std
@ -3389,14 +3391,20 @@ swap(vector<_Tp, _Allocator>& __x, vector<_Tp, _Allocator>& __y)
#if _LIBCPP_STD_VER > 17
template <class _Tp, class _Allocator, class _Up>
inline _LIBCPP_INLINE_VISIBILITY
void erase(vector<_Tp, _Allocator>& __c, const _Up& __v)
{ __c.erase(_VSTD::remove(__c.begin(), __c.end(), __v), __c.end()); }
inline _LIBCPP_INLINE_VISIBILITY typename vector<_Tp, _Allocator>::size_type
erase(vector<_Tp, _Allocator>& __c, const _Up& __v) {
auto __old_size = __c.size();
__c.erase(_VSTD::remove(__c.begin(), __c.end(), __v), __c.end());
return __old_size - __c.size();
}
template <class _Tp, class _Allocator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
void erase_if(vector<_Tp, _Allocator>& __c, _Predicate __pred)
{ __c.erase(_VSTD::remove_if(__c.begin(), __c.end(), __pred), __c.end()); }
inline _LIBCPP_INLINE_VISIBILITY typename vector<_Tp, _Allocator>::size_type
erase_if(vector<_Tp, _Allocator>& __c, _Predicate __pred) {
auto __old_size = __c.size();
__c.erase(_VSTD::remove_if(__c.begin(), __c.end(), __pred), __c.end());
return __old_size - __c.size();
}
#endif
_LIBCPP_END_NAMESPACE_STD

4
libcxx/include/version
View File

@ -44,7 +44,7 @@ __cpp_lib_constexpr_swap_algorithms 201806L <algorithm>
__cpp_lib_destroying_delete 201806L <new>
__cpp_lib_enable_shared_from_this 201603L <memory>
__cpp_lib_endian 201907L <bit>
__cpp_lib_erase_if 201811L <string> <deque> <forward_list>
__cpp_lib_erase_if 202002L <string> <deque> <forward_list>
<list> <vector> <map>
<set> <unordered_map> <unordered_set>
__cpp_lib_exchange_function 201304L <utility>
@ -226,7 +226,7 @@ __cpp_lib_void_t 201411L <type_traits>
# define __cpp_lib_destroying_delete 201806L
# endif
# define __cpp_lib_endian 201907L
# define __cpp_lib_erase_if 201811L
# define __cpp_lib_erase_if 202002L
// # define __cpp_lib_generic_unordered_lookup 201811L
# define __cpp_lib_interpolate 201902L
# if !defined(_LIBCPP_HAS_NO_BUILTIN_IS_CONSTANT_EVALUATED)

39
libcxx/test/std/containers/associative/map/map.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <map>
// template <class Key, class T, class Compare, class Allocator, class Predicate>
// void erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred);
// typename map<Key, T, Compare, Allocator>::size_type
// erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred);
#include <map>
@ -29,13 +30,11 @@ M make (Init vals)
}
template <typename M, typename Pred>
void
test0(Init vals, Pred p, Init expected)
{
M s = make<M> (vals);
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == make<M>(expected));
void test0(Init vals, Pred p, Init expected, size_t expected_erased_count) {
M s = make<M>(vals);
ASSERT_SAME_TYPE(typename M::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == make<M>(expected));
}
template <typename S>
@ -48,22 +47,22 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0<S>({}, is1, {});
test0<S>({}, is1, {}, 0);
test0<S>({1}, is1, {});
test0<S>({1}, is2, {1});
test0<S>({1}, is1, {}, 1);
test0<S>({1}, is2, {1}, 0);
test0<S>({1,2}, is1, {2});
test0<S>({1,2}, is2, {1});
test0<S>({1,2}, is3, {1,2});
test0<S>({1, 2}, is1, {2}, 1);
test0<S>({1, 2}, is2, {1}, 1);
test0<S>({1, 2}, is3, {1, 2}, 0);
test0<S>({1,2,3}, is1, {2,3});
test0<S>({1,2,3}, is2, {1,3});
test0<S>({1,2,3}, is3, {1,2});
test0<S>({1,2,3}, is4, {1,2,3});
test0<S>({1, 2, 3}, is1, {2, 3}, 1);
test0<S>({1, 2, 3}, is2, {1, 3}, 1);
test0<S>({1, 2, 3}, is3, {1, 2}, 1);
test0<S>({1, 2, 3}, is4, {1, 2, 3}, 0);
test0<S>({1,2,3}, True, {});
test0<S>({1,2,3}, False, {1,2,3});
test0<S>({1, 2, 3}, True, {}, 3);
test0<S>({1, 2, 3}, False, {1, 2, 3}, 0);
}
int main(int, char**)

61
libcxx/test/std/containers/associative/multimap/multimap.erasure/erase_if.pass.cpp
View File

@ -9,8 +9,9 @@
// <map>
// template <class Key, class T, class Compare, class Allocator, class Predicate>
// void erase_if(multimap<Key, T, Compare, Allocator>& c, Predicate pred);
// template <class Key, class T, class Compare, class Allocator, class Predicate>
// typename multimap<Key, T, Compare, Allocator>::size_type
// erase_if(multimap<Key, T, Compare, Allocator>& c, Predicate pred);
#include <map>
@ -29,13 +30,11 @@ M make (Init vals)
}
template <typename M, typename Pred>
void
test0(Init vals, Pred p, Init expected)
{
M s = make<M> (vals);
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == make<M>(expected));
void test0(Init vals, Pred p, Init expected, size_t expected_erased_count) {
M s = make<M>(vals);
ASSERT_SAME_TYPE(typename M::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == make<M>(expected));
}
template <typename S>
@ -48,33 +47,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0<S>({}, is1, {});
test0<S>({}, is1, {}, 0);
test0<S>({1}, is1, {});
test0<S>({1}, is2, {1});
test0<S>({1}, is1, {}, 1);
test0<S>({1}, is2, {1}, 0);
test0<S>({1,2}, is1, {2});
test0<S>({1,2}, is2, {1});
test0<S>({1,2}, is3, {1,2});
test0<S>({1,1}, is1, {});
test0<S>({1,1}, is3, {1,1});
test0<S>({1, 2}, is1, {2}, 1);
test0<S>({1, 2}, is2, {1}, 1);
test0<S>({1, 2}, is3, {1, 2}, 0);
test0<S>({1, 1}, is1, {}, 2);
test0<S>({1, 1}, is3, {1, 1}, 0);
test0<S>({1,2,3}, is1, {2,3});
test0<S>({1,2,3}, is2, {1,3});
test0<S>({1,2,3}, is3, {1,2});
test0<S>({1,2,3}, is4, {1,2,3});
test0<S>({1, 2, 3}, is1, {2, 3}, 1);
test0<S>({1, 2, 3}, is2, {1, 3}, 1);
test0<S>({1, 2, 3}, is3, {1, 2}, 1);
test0<S>({1, 2, 3}, is4, {1, 2, 3}, 0);
test0<S>({1,1,1}, is1, {});
test0<S>({1,1,1}, is2, {1,1,1});
test0<S>({1,1,2}, is1, {2});
test0<S>({1,1,2}, is2, {1,1});
test0<S>({1,1,2}, is3, {1,1,2});
test0<S>({1,2,2}, is1, {2,2});
test0<S>({1,2,2}, is2, {1});
test0<S>({1,2,2}, is3, {1,2,2});
test0<S>({1, 1, 1}, is1, {}, 3);
test0<S>({1, 1, 1}, is2, {1, 1, 1}, 0);
test0<S>({1, 1, 2}, is1, {2}, 2);
test0<S>({1, 1, 2}, is2, {1, 1}, 1);
test0<S>({1, 1, 2}, is3, {1, 1, 2}, 0);
test0<S>({1, 2, 2}, is1, {2, 2}, 1);
test0<S>({1, 2, 2}, is2, {1}, 2);
test0<S>({1, 2, 2}, is3, {1, 2, 2}, 0);
test0<S>({1,2,3}, True, {});
test0<S>({1,2,3}, False, {1,2,3});
test0<S>({1, 2, 3}, True, {}, 3);
test0<S>({1, 2, 3}, False, {1, 2, 3}, 0);
}
int main(int, char**)

57
libcxx/test/std/containers/associative/multiset/multiset.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <set>
// template <class T, class Compare, class Allocator, class Predicate>
// void erase_if(multiset<T, Compare, Allocator>& c, Predicate pred);
// typename multiset<T, Compare, Allocator>::size_type
// erase_if(multiset<T, Compare, Allocator>& c, Predicate pred);
#include <set>
@ -19,12 +20,10 @@
#include "min_allocator.h"
template <class S, class Pred>
void
test0(S s, Pred p, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == expected);
void test0(S s, Pred p, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == expected);
}
template <typename S>
@ -37,33 +36,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0(S(), is1, S());
test0(S(), is1, S(), 0);
test0(S({1}), is1, S());
test0(S({1}), is2, S({1}));
test0(S({1}), is1, S(), 1);
test0(S({1}), is2, S({1}), 0);
test0(S({1,2}), is1, S({2}));
test0(S({1,2}), is2, S({1}));
test0(S({1,2}), is3, S({1,2}));
test0(S({1,1}), is1, S());
test0(S({1,1}), is3, S({1,1}));
test0(S({1, 2}), is1, S({2}), 1);
test0(S({1, 2}), is2, S({1}), 1);
test0(S({1, 2}), is3, S({1, 2}), 0);
test0(S({1, 1}), is1, S(), 2);
test0(S({1, 1}), is3, S({1, 1}), 0);
test0(S({1,2,3}), is1, S({2,3}));
test0(S({1,2,3}), is2, S({1,3}));
test0(S({1,2,3}), is3, S({1,2}));
test0(S({1,2,3}), is4, S({1,2,3}));
test0(S({1, 2, 3}), is1, S({2, 3}), 1);
test0(S({1, 2, 3}), is2, S({1, 3}), 1);
test0(S({1, 2, 3}), is3, S({1, 2}), 1);
test0(S({1, 2, 3}), is4, S({1, 2, 3}), 0);
test0(S({1,1,1}), is1, S());
test0(S({1,1,1}), is2, S({1,1,1}));
test0(S({1,1,2}), is1, S({2}));
test0(S({1,1,2}), is2, S({1,1}));
test0(S({1,1,2}), is3, S({1,1,2}));
test0(S({1,2,2}), is1, S({2,2}));
test0(S({1,2,2}), is2, S({1}));
test0(S({1,2,2}), is3, S({1,2,2}));
test0(S({1, 1, 1}), is1, S(), 3);
test0(S({1, 1, 1}), is2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), is1, S({2}), 2);
test0(S({1, 1, 2}), is2, S({1, 1}), 1);
test0(S({1, 1, 2}), is3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), is1, S({2, 2}), 1);
test0(S({1, 2, 2}), is2, S({1}), 2);
test0(S({1, 2, 2}), is3, S({1, 2, 2}), 0);
test0(S({1,2,3}), True, S());
test0(S({1,2,3}), False, S({1,2,3}));
test0(S({1, 2, 3}), True, S(), 3);
test0(S({1, 2, 3}), False, S({1, 2, 3}), 0);
}
int main(int, char**)

37
libcxx/test/std/containers/associative/set/set.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <set>
// template <class T, class Compare, class Allocator, class Predicate>
// void erase_if(set<T, Compare, Allocator>& c, Predicate pred);
// typename set<T, Compare, Allocator>::size_type
// erase_if(set<T, Compare, Allocator>& c, Predicate pred);
#include <set>
@ -19,12 +20,10 @@
#include "min_allocator.h"
template <class S, class Pred>
void
test0(S s, Pred p, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == expected);
void test0(S s, Pred p, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == expected);
}
template <typename S>
@ -37,22 +36,22 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0(S(), is1, S());
test0(S(), is1, S(), 0);
test0(S({1}), is1, S());
test0(S({1}), is2, S({1}));
test0(S({1}), is1, S(), 1);
test0(S({1}), is2, S({1}), 0);
test0(S({1,2}), is1, S({2}));
test0(S({1,2}), is2, S({1}));
test0(S({1,2}), is3, S({1,2}));
test0(S({1, 2}), is1, S({2}), 1);
test0(S({1, 2}), is2, S({1}), 1);
test0(S({1, 2}), is3, S({1, 2}), 0);
test0(S({1,2,3}), is1, S({2,3}));
test0(S({1,2,3}), is2, S({1,3}));
test0(S({1,2,3}), is3, S({1,2}));
test0(S({1,2,3}), is4, S({1,2,3}));
test0(S({1, 2, 3}), is1, S({2, 3}), 1);
test0(S({1, 2, 3}), is2, S({1, 3}), 1);
test0(S({1, 2, 3}), is3, S({1, 2}), 1);
test0(S({1, 2, 3}), is4, S({1, 2, 3}), 0);
test0(S({1,2,3}), True, S());
test0(S({1,2,3}), False, S({1,2,3}));
test0(S({1, 2, 3}), True, S(), 3);
test0(S({1, 2, 3}), False, S({1, 2, 3}), 0);
}
int main(int, char**)

67
libcxx/test/std/containers/sequences/deque/deque.erasure/erase.pass.cpp
View File

@ -10,8 +10,8 @@
// <deque>
// template <class T, class Allocator, class U>
// void erase(deque<T, Allocator>& c, const U& value);
// typename deque<T, Allocator>::size_type
// erase(deque<T, Allocator>& c, const U& value);
#include <deque>
#include <optional>
@ -21,49 +21,46 @@
#include "min_allocator.h"
template <class S, class U>
void
test0(S s, U val, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase(s, val)));
std::erase(s, val);
assert(s == expected);
void test0(S s, U val, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase(s, val)));
assert(expected_erased_count == std::erase(s, val));
assert(s == expected);
}
template <class S>
void test()
{
test0(S(), 1, S(), 0);
test0(S(), 1, S());
test0(S({1}), 1, S(), 1);
test0(S({1}), 2, S({1}), 0);
test0(S({1}), 1, S());
test0(S({1}), 2, S({1}));
test0(S({1, 2}), 1, S({2}), 1);
test0(S({1, 2}), 2, S({1}), 1);
test0(S({1, 2}), 3, S({1, 2}), 0);
test0(S({1, 1}), 1, S(), 2);
test0(S({1, 1}), 3, S({1, 1}), 0);
test0(S({1,2}), 1, S({2}));
test0(S({1,2}), 2, S({1}));
test0(S({1,2}), 3, S({1,2}));
test0(S({1,1}), 1, S());
test0(S({1,1}), 3, S({1,1}));
test0(S({1, 2, 3}), 1, S({2, 3}), 1);
test0(S({1, 2, 3}), 2, S({1, 3}), 1);
test0(S({1, 2, 3}), 3, S({1, 2}), 1);
test0(S({1, 2, 3}), 4, S({1, 2, 3}), 0);
test0(S({1,2,3}), 1, S({2,3}));
test0(S({1,2,3}), 2, S({1,3}));
test0(S({1,2,3}), 3, S({1,2}));
test0(S({1,2,3}), 4, S({1,2,3}));
test0(S({1, 1, 1}), 1, S(), 3);
test0(S({1, 1, 1}), 2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), 1, S({2}), 2);
test0(S({1, 1, 2}), 2, S({1, 1}), 1);
test0(S({1, 1, 2}), 3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), 1, S({2, 2}), 1);
test0(S({1, 2, 2}), 2, S({1}), 2);
test0(S({1, 2, 2}), 3, S({1, 2, 2}), 0);
test0(S({1,1,1}), 1, S());
test0(S({1,1,1}), 2, S({1,1,1}));
test0(S({1,1,2}), 1, S({2}));
test0(S({1,1,2}), 2, S({1,1}));
test0(S({1,1,2}), 3, S({1,1,2}));
test0(S({1,2,2}), 1, S({2,2}));
test0(S({1,2,2}), 2, S({1}));
test0(S({1,2,2}), 3, S({1,2,2}));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1,2,1}), opt(), S({1,2,1}));
test0(S({1,2,1}), opt(1), S({2}));
test0(S({1,2,1}), opt(2), S({1,1}));
test0(S({1,2,1}), opt(3), S({1,2,1}));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1, 2, 1}), opt(), S({1, 2, 1}), 0);
test0(S({1, 2, 1}), opt(1), S({2}), 2);
test0(S({1, 2, 1}), opt(2), S({1, 1}), 1);
test0(S({1, 2, 1}), opt(3), S({1, 2, 1}), 0);
}
int main(int, char**)

57
libcxx/test/std/containers/sequences/deque/deque.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <deque>
// template <class T, class Allocator, class Predicate>
// void erase_if(deque<T, Allocator>& c, Predicate pred);
// typename deque<T, Allocator>::size_type
// erase_if(deque<T, Allocator>& c, Predicate pred);
#include <deque>
@ -19,12 +20,10 @@
#include "min_allocator.h"
template <class S, class Pred>
void
test0(S s, Pred p, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == expected);
void test0(S s, Pred p, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == expected);
}
template <typename S>
@ -37,33 +36,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0(S(), is1, S());
test0(S(), is1, S(), 0);
test0(S({1}), is1, S());
test0(S({1}), is2, S({1}));
test0(S({1}), is1, S(), 1);
test0(S({1}), is2, S({1}), 0);
test0(S({1,2}), is1, S({2}));
test0(S({1,2}), is2, S({1}));
test0(S({1,2}), is3, S({1,2}));
test0(S({1,1}), is1, S());
test0(S({1,1}), is3, S({1,1}));
test0(S({1, 2}), is1, S({2}), 1);
test0(S({1, 2}), is2, S({1}), 1);
test0(S({1, 2}), is3, S({1, 2}), 0);
test0(S({1, 1}), is1, S(), 2);
test0(S({1, 1}), is3, S({1, 1}), 0);
test0(S({1,2,3}), is1, S({2,3}));
test0(S({1,2,3}), is2, S({1,3}));
test0(S({1,2,3}), is3, S({1,2}));
test0(S({1,2,3}), is4, S({1,2,3}));
test0(S({1, 2, 3}), is1, S({2, 3}), 1);
test0(S({1, 2, 3}), is2, S({1, 3}), 1);
test0(S({1, 2, 3}), is3, S({1, 2}), 1);
test0(S({1, 2, 3}), is4, S({1, 2, 3}), 0);
test0(S({1,1,1}), is1, S());
test0(S({1,1,1}), is2, S({1,1,1}));
test0(S({1,1,2}), is1, S({2}));
test0(S({1,1,2}), is2, S({1,1}));
test0(S({1,1,2}), is3, S({1,1,2}));
test0(S({1,2,2}), is1, S({2,2}));
test0(S({1,2,2}), is2, S({1}));
test0(S({1,2,2}), is3, S({1,2,2}));
test0(S({1, 1, 1}), is1, S(), 3);
test0(S({1, 1, 1}), is2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), is1, S({2}), 2);
test0(S({1, 1, 2}), is2, S({1, 1}), 1);
test0(S({1, 1, 2}), is3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), is1, S({2, 2}), 1);
test0(S({1, 2, 2}), is2, S({1}), 2);
test0(S({1, 2, 2}), is3, S({1, 2, 2}), 0);
test0(S({1,2,3}), True, S());
test0(S({1,2,3}), False, S({1,2,3}));
test0(S({1, 2, 3}), True, S(), 3);
test0(S({1, 2, 3}), False, S({1, 2, 3}), 0);
}
int main(int, char**)

67
libcxx/test/std/containers/sequences/forwardlist/forwardlist.erasure/erase.pass.cpp
View File

@ -10,8 +10,8 @@
// <forward_list>
// template <class T, class Allocator, class U>
// void erase(forward_list<T, Allocator>& c, const U& value);
// typename forward_list<T, Allocator>::size_type
// erase(forward_list<T, Allocator>& c, const U& value);
#include <forward_list>
#include <optional>
@ -21,49 +21,46 @@
#include "min_allocator.h"
template <class S, class U>
void
test0(S s, U val, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase(s, val)));
std::erase(s, val);
assert(s == expected);
void test0(S s, U val, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase(s, val)));
assert(expected_erased_count == std::erase(s, val));
assert(s == expected);
}
template <class S>
void test()
{
test0(S(), 1, S(), 0);
test0(S(), 1, S());
test0(S({1}), 1, S(), 1);
test0(S({1}), 2, S({1}), 0);
test0(S({1}), 1, S());
test0(S({1}), 2, S({1}));
test0(S({1, 2}), 1, S({2}), 1);
test0(S({1, 2}), 2, S({1}), 1);
test0(S({1, 2}), 3, S({1, 2}), 0);
test0(S({1, 1}), 1, S(), 2);
test0(S({1, 1}), 3, S({1, 1}), 0);
test0(S({1,2}), 1, S({2}));
test0(S({1,2}), 2, S({1}));
test0(S({1,2}), 3, S({1,2}));
test0(S({1,1}), 1, S());
test0(S({1,1}), 3, S({1,1}));
test0(S({1, 2, 3}), 1, S({2, 3}), 1);
test0(S({1, 2, 3}), 2, S({1, 3}), 1);
test0(S({1, 2, 3}), 3, S({1, 2}), 1);
test0(S({1, 2, 3}), 4, S({1, 2, 3}), 0);
test0(S({1,2,3}), 1, S({2,3}));
test0(S({1,2,3}), 2, S({1,3}));
test0(S({1,2,3}), 3, S({1,2}));
test0(S({1,2,3}), 4, S({1,2,3}));
test0(S({1, 1, 1}), 1, S(), 3);
test0(S({1, 1, 1}), 2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), 1, S({2}), 2);
test0(S({1, 1, 2}), 2, S({1, 1}), 1);
test0(S({1, 1, 2}), 3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), 1, S({2, 2}), 1);
test0(S({1, 2, 2}), 2, S({1}), 2);
test0(S({1, 2, 2}), 3, S({1, 2, 2}), 0);
test0(S({1,1,1}), 1, S());
test0(S({1,1,1}), 2, S({1,1,1}));
test0(S({1,1,2}), 1, S({2}));
test0(S({1,1,2}), 2, S({1,1}));
test0(S({1,1,2}), 3, S({1,1,2}));
test0(S({1,2,2}), 1, S({2,2}));
test0(S({1,2,2}), 2, S({1}));
test0(S({1,2,2}), 3, S({1,2,2}));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1,2,1}), opt(), S({1,2,1}));
test0(S({1,2,1}), opt(1), S({2}));
test0(S({1,2,1}), opt(2), S({1,1}));
test0(S({1,2,1}), opt(3), S({1,2,1}));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1, 2, 1}), opt(), S({1, 2, 1}), 0);
test0(S({1, 2, 1}), opt(1), S({2}), 2);
test0(S({1, 2, 1}), opt(2), S({1, 1}), 1);
test0(S({1, 2, 1}), opt(3), S({1, 2, 1}), 0);
}
int main(int, char**)

57
libcxx/test/std/containers/sequences/forwardlist/forwardlist.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <forward_list>
// template <class T, class Allocator, class Predicate>
// void erase_if(forward_list<T, Allocator>& c, Predicate pred);
// typename forward_list<T, Allocator>::size_type
// erase_if(forward_list<T, Allocator>& c, Predicate pred);
#include <forward_list>
@ -19,12 +20,10 @@
#include "min_allocator.h"
template <class S, class Pred>
void
test0(S s, Pred p, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == expected);
void test0(S s, Pred p, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == expected);
}
template <typename S>
@ -37,33 +36,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0(S(), is1, S());
test0(S(), is1, S(), 0);
test0(S({1}), is1, S());
test0(S({1}), is2, S({1}));
test0(S({1}), is1, S(), 1);
test0(S({1}), is2, S({1}), 0);
test0(S({1,2}), is1, S({2}));
test0(S({1,2}), is2, S({1}));
test0(S({1,2}), is3, S({1,2}));
test0(S({1,1}), is1, S());
test0(S({1,1}), is3, S({1,1}));
test0(S({1, 2}), is1, S({2}), 1);
test0(S({1, 2}), is2, S({1}), 1);
test0(S({1, 2}), is3, S({1, 2}), 0);
test0(S({1, 1}), is1, S(), 2);
test0(S({1, 1}), is3, S({1, 1}), 0);
test0(S({1,2,3}), is1, S({2,3}));
test0(S({1,2,3}), is2, S({1,3}));
test0(S({1,2,3}), is3, S({1,2}));
test0(S({1,2,3}), is4, S({1,2,3}));
test0(S({1, 2, 3}), is1, S({2, 3}), 1);
test0(S({1, 2, 3}), is2, S({1, 3}), 1);
test0(S({1, 2, 3}), is3, S({1, 2}), 1);
test0(S({1, 2, 3}), is4, S({1, 2, 3}), 0);
test0(S({1,1,1}), is1, S());
test0(S({1,1,1}), is2, S({1,1,1}));
test0(S({1,1,2}), is1, S({2}));
test0(S({1,1,2}), is2, S({1,1}));
test0(S({1,1,2}), is3, S({1,1,2}));
test0(S({1,2,2}), is1, S({2,2}));
test0(S({1,2,2}), is2, S({1}));
test0(S({1,2,2}), is3, S({1,2,2}));
test0(S({1, 1, 1}), is1, S(), 3);
test0(S({1, 1, 1}), is2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), is1, S({2}), 2);
test0(S({1, 1, 2}), is2, S({1, 1}), 1);
test0(S({1, 1, 2}), is3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), is1, S({2, 2}), 1);
test0(S({1, 2, 2}), is2, S({1}), 2);
test0(S({1, 2, 2}), is3, S({1, 2, 2}), 0);
test0(S({1,2,3}), True, S());
test0(S({1,2,3}), False, S({1,2,3}));
test0(S({1, 2, 3}), True, S(), 3);
test0(S({1, 2, 3}), False, S({1, 2, 3}), 0);
}
int main(int, char**)

67
libcxx/test/std/containers/sequences/list/list.erasure/erase.pass.cpp
View File

@ -10,8 +10,8 @@
// <list>
// template <class T, class Allocator, class U>
// void erase(list<T, Allocator>& c, const U& value);
// typename list<T, Allocator>::size_type
// erase(list<T, Allocator>& c, const U& value);
#include <list>
#include <optional>
@ -21,49 +21,46 @@
#include "min_allocator.h"
template <class S, class U>
void
test0(S s, U val, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase(s, val)));
std::erase(s, val);
assert(s == expected);
void test0(S s, U val, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase(s, val)));
assert(expected_erased_count == std::erase(s, val));
assert(s == expected);
}
template <class S>
void test()
{
test0(S(), 1, S(), 0);
test0(S(), 1, S());
test0(S({1}), 1, S(), 1);
test0(S({1}), 2, S({1}), 0);
test0(S({1}), 1, S());
test0(S({1}), 2, S({1}));
test0(S({1, 2}), 1, S({2}), 1);
test0(S({1, 2}), 2, S({1}), 1);
test0(S({1, 2}), 3, S({1, 2}), 0);
test0(S({1, 1}), 1, S(), 2);
test0(S({1, 1}), 3, S({1, 1}), 0);
test0(S({1,2}), 1, S({2}));
test0(S({1,2}), 2, S({1}));
test0(S({1,2}), 3, S({1,2}));
test0(S({1,1}), 1, S());
test0(S({1,1}), 3, S({1,1}));
test0(S({1, 2, 3}), 1, S({2, 3}), 1);
test0(S({1, 2, 3}), 2, S({1, 3}), 1);
test0(S({1, 2, 3}), 3, S({1, 2}), 1);
test0(S({1, 2, 3}), 4, S({1, 2, 3}), 0);
test0(S({1,2,3}), 1, S({2,3}));
test0(S({1,2,3}), 2, S({1,3}));
test0(S({1,2,3}), 3, S({1,2}));
test0(S({1,2,3}), 4, S({1,2,3}));
test0(S({1, 1, 1}), 1, S(), 3);
test0(S({1, 1, 1}), 2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), 1, S({2}), 2);
test0(S({1, 1, 2}), 2, S({1, 1}), 1);
test0(S({1, 1, 2}), 3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), 1, S({2, 2}), 1);
test0(S({1, 2, 2}), 2, S({1}), 2);
test0(S({1, 2, 2}), 3, S({1, 2, 2}), 0);
test0(S({1,1,1}), 1, S());
test0(S({1,1,1}), 2, S({1,1,1}));
test0(S({1,1,2}), 1, S({2}));
test0(S({1,1,2}), 2, S({1,1}));
test0(S({1,1,2}), 3, S({1,1,2}));
test0(S({1,2,2}), 1, S({2,2}));
test0(S({1,2,2}), 2, S({1}));
test0(S({1,2,2}), 3, S({1,2,2}));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1,2,1}), opt(), S({1,2,1}));
test0(S({1,2,1}), opt(1), S({2}));
test0(S({1,2,1}), opt(2), S({1,1}));
test0(S({1,2,1}), opt(3), S({1,2,1}));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1, 2, 1}), opt(), S({1, 2, 1}), 0);
test0(S({1, 2, 1}), opt(1), S({2}), 2);
test0(S({1, 2, 1}), opt(2), S({1, 1}), 1);
test0(S({1, 2, 1}), opt(3), S({1, 2, 1}), 0);
}
int main(int, char**)

57
libcxx/test/std/containers/sequences/list/list.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <list>
// template <class T, class Allocator, class Predicate>
// void erase_if(list<T, Allocator>& c, Predicate pred);
// typename list<T, Allocator>::size_type
// erase_if(list<T, Allocator>& c, Predicate pred);
#include <list>
@ -19,12 +20,10 @@
#include "min_allocator.h"
template <class S, class Pred>
void
test0(S s, Pred p, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == expected);
void test0(S s, Pred p, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == expected);
}
template <typename S>
@ -37,33 +36,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0(S(), is1, S());
test0(S(), is1, S(), 0);
test0(S({1}), is1, S());
test0(S({1}), is2, S({1}));
test0(S({1}), is1, S(), 1);
test0(S({1}), is2, S({1}), 0);
test0(S({1,2}), is1, S({2}));
test0(S({1,2}), is2, S({1}));
test0(S({1,2}), is3, S({1,2}));
test0(S({1,1}), is1, S());
test0(S({1,1}), is3, S({1,1}));
test0(S({1, 2}), is1, S({2}), 1);
test0(S({1, 2}), is2, S({1}), 1);
test0(S({1, 2}), is3, S({1, 2}), 0);
test0(S({1, 1}), is1, S(), 2);
test0(S({1, 1}), is3, S({1, 1}), 0);
test0(S({1,2,3}), is1, S({2,3}));
test0(S({1,2,3}), is2, S({1,3}));
test0(S({1,2,3}), is3, S({1,2}));
test0(S({1,2,3}), is4, S({1,2,3}));
test0(S({1, 2, 3}), is1, S({2, 3}), 1);
test0(S({1, 2, 3}), is2, S({1, 3}), 1);
test0(S({1, 2, 3}), is3, S({1, 2}), 1);
test0(S({1, 2, 3}), is4, S({1, 2, 3}), 0);
test0(S({1,1,1}), is1, S());
test0(S({1,1,1}), is2, S({1,1,1}));
test0(S({1,1,2}), is1, S({2}));
test0(S({1,1,2}), is2, S({1,1}));
test0(S({1,1,2}), is3, S({1,1,2}));
test0(S({1,2,2}), is1, S({2,2}));
test0(S({1,2,2}), is2, S({1}));
test0(S({1,2,2}), is3, S({1,2,2}));
test0(S({1, 1, 1}), is1, S(), 3);
test0(S({1, 1, 1}), is2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), is1, S({2}), 2);
test0(S({1, 1, 2}), is2, S({1, 1}), 1);
test0(S({1, 1, 2}), is3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), is1, S({2, 2}), 1);
test0(S({1, 2, 2}), is2, S({1}), 2);
test0(S({1, 2, 2}), is3, S({1, 2, 2}), 0);
test0(S({1,2,3}), True, S());
test0(S({1,2,3}), False, S({1,2,3}));
test0(S({1, 2, 3}), True, S(), 3);
test0(S({1, 2, 3}), False, S({1, 2, 3}), 0);
}
int main(int, char**)

66
libcxx/test/std/containers/sequences/vector/vector.erasure/erase.pass.cpp
View File

@ -10,8 +10,8 @@
// <vector>
// template <class T, class Allocator, class U>
// void erase(vector<T, Allocator>& c, const U& value);
// typename vector<T, Allocator>::size_type
// erase(vector<T, Allocator>& c, const U& value);
#include <vector>
#include <optional>
@ -21,49 +21,47 @@
#include "min_allocator.h"
template <class S, class U>
void
test0(S s, U val, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase(s, val)));
std::erase(s, val);
assert(s == expected);
void test0(S s, U val, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase(s, val)));
assert(expected_erased_count == std::erase(s, val));
assert(s == expected);
}
template <class S>
void test()
{
test0(S(), 1, S());
test0(S(), 1, S(), 0);
test0(S({1}), 1, S());
test0(S({1}), 2, S({1}));
test0(S({1}), 1, S(), 1);
test0(S({1}), 2, S({1}), 0);
test0(S({1,2}), 1, S({2}));
test0(S({1,2}), 2, S({1}));
test0(S({1,2}), 3, S({1,2}));
test0(S({1,1}), 1, S());
test0(S({1,1}), 3, S({1,1}));
test0(S({1, 2}), 1, S({2}), 1);
test0(S({1, 2}), 2, S({1}), 1);
test0(S({1, 2}), 3, S({1, 2}), 0);
test0(S({1, 1}), 1, S(), 2);
test0(S({1, 1}), 3, S({1, 1}), 0);
test0(S({1,2,3}), 1, S({2,3}));
test0(S({1,2,3}), 2, S({1,3}));
test0(S({1,2,3}), 3, S({1,2}));
test0(S({1,2,3}), 4, S({1,2,3}));
test0(S({1, 2, 3}), 1, S({2, 3}), 1);
test0(S({1, 2, 3}), 2, S({1, 3}), 1);
test0(S({1, 2, 3}), 3, S({1, 2}), 1);
test0(S({1, 2, 3}), 4, S({1, 2, 3}), 0);
test0(S({1,1,1}), 1, S());
test0(S({1,1,1}), 2, S({1,1,1}));
test0(S({1,1,2}), 1, S({2}));
test0(S({1,1,2}), 2, S({1,1}));
test0(S({1,1,2}), 3, S({1,1,2}));
test0(S({1,2,2}), 1, S({2,2}));
test0(S({1,2,2}), 2, S({1}));
test0(S({1,2,2}), 3, S({1,2,2}));
test0(S({1, 1, 1}), 1, S(), 3);
test0(S({1, 1, 1}), 2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), 1, S({2}), 2);
test0(S({1, 1, 2}), 2, S({1, 1}), 1);
test0(S({1, 1, 2}), 3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), 1, S({2, 2}), 1);
test0(S({1, 2, 2}), 2, S({1}), 2);
test0(S({1, 2, 2}), 3, S({1, 2, 2}), 0);
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1,2,1}), opt(), S({1,2,1}));
test0(S({1,2,1}), opt(1), S({2}));
test0(S({1,2,1}), opt(2), S({1,1}));
test0(S({1,2,1}), opt(3), S({1,2,1}));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S({1, 2, 1}), opt(), S({1, 2, 1}), 0);
test0(S({1, 2, 1}), opt(1), S({2}), 2);
test0(S({1, 2, 1}), opt(2), S({1, 1}), 1);
test0(S({1, 2, 1}), opt(3), S({1, 2, 1}), 0);
}
int main(int, char**)

57
libcxx/test/std/containers/sequences/vector/vector.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <vector>
// template <class T, class Allocator, class Predicate>
// void erase_if(vector<T, Allocator>& c, Predicate pred);
// typename vector<T, Allocator>::size_type
// erase_if(vector<T, Allocator>& c, Predicate pred);
#include <vector>
@ -19,12 +20,10 @@
#include "min_allocator.h"
template <class S, class Pred>
void
test0(S s, Pred p, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
assert(s == expected);
void test0(S s, Pred p, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
assert(s == expected);
}
template <typename S>
@ -37,33 +36,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0(S(), is1, S());
test0(S(), is1, S(), 0);
test0(S({1}), is1, S());
test0(S({1}), is2, S({1}));
test0(S({1}), is1, S(), 1);
test0(S({1}), is2, S({1}), 0);
test0(S({1,2}), is1, S({2}));
test0(S({1,2}), is2, S({1}));
test0(S({1,2}), is3, S({1,2}));
test0(S({1,1}), is1, S());
test0(S({1,1}), is3, S({1,1}));
test0(S({1, 2}), is1, S({2}), 1);
test0(S({1, 2}), is2, S({1}), 1);
test0(S({1, 2}), is3, S({1, 2}), 0);
test0(S({1, 1}), is1, S(), 2);
test0(S({1, 1}), is3, S({1, 1}), 0);
test0(S({1,2,3}), is1, S({2,3}));
test0(S({1,2,3}), is2, S({1,3}));
test0(S({1,2,3}), is3, S({1,2}));
test0(S({1,2,3}), is4, S({1,2,3}));
test0(S({1, 2, 3}), is1, S({2, 3}), 1);
test0(S({1, 2, 3}), is2, S({1, 3}), 1);
test0(S({1, 2, 3}), is3, S({1, 2}), 1);
test0(S({1, 2, 3}), is4, S({1, 2, 3}), 0);
test0(S({1,1,1}), is1, S());
test0(S({1,1,1}), is2, S({1,1,1}));
test0(S({1,1,2}), is1, S({2}));
test0(S({1,1,2}), is2, S({1,1}));
test0(S({1,1,2}), is3, S({1,1,2}));
test0(S({1,2,2}), is1, S({2,2}));
test0(S({1,2,2}), is2, S({1}));
test0(S({1,2,2}), is3, S({1,2,2}));
test0(S({1, 1, 1}), is1, S(), 3);
test0(S({1, 1, 1}), is2, S({1, 1, 1}), 0);
test0(S({1, 1, 2}), is1, S({2}), 2);
test0(S({1, 1, 2}), is2, S({1, 1}), 1);
test0(S({1, 1, 2}), is3, S({1, 1, 2}), 0);
test0(S({1, 2, 2}), is1, S({2, 2}), 1);
test0(S({1, 2, 2}), is2, S({1}), 2);
test0(S({1, 2, 2}), is3, S({1, 2, 2}), 0);
test0(S({1,2,3}), True, S());
test0(S({1,2,3}), False, S({1,2,3}));
test0(S({1, 2, 3}), True, S(), 3);
test0(S({1, 2, 3}), False, S({1, 2, 3}), 0);
}
int main(int, char**)

41
libcxx/test/std/containers/unord/unord.map/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <unordered_map>
// template <class Key, class T, class Hash, class Pred, class Allocator, class Predicate>
// void erase_if(unordered_map<Key, T, Hash, Pred, Allocator>& c, Predicate pred);
// typename unordered_map<Key, T, Hash, Pred, Allocator>::size_type
// erase_if(unordered_map<Key, T, Hash, Pred, Allocator>& c, Predicate pred);
#include <unordered_map>
@ -29,14 +30,12 @@ M make (Init vals)
}
template <typename M, typename Pred>
void
test0(Init vals, Pred p, Init expected)
{
M s = make<M> (vals);
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
void test0(Init vals, Pred p, Init expected, size_t expected_erased_count) {
M s = make<M>(vals);
ASSERT_SAME_TYPE(typename M::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
}
template <typename S>
@ -49,22 +48,22 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0<S>({}, is1, {});
test0<S>({}, is1, {}, 0);
test0<S>({1}, is1, {});
test0<S>({1}, is2, {1});
test0<S>({1}, is1, {}, 1);
test0<S>({1}, is2, {1}, 0);
test0<S>({1,2}, is1, {2});
test0<S>({1,2}, is2, {1});
test0<S>({1,2}, is3, {1,2});
test0<S>({1, 2}, is1, {2}, 1);
test0<S>({1, 2}, is2, {1}, 1);
test0<S>({1, 2}, is3, {1, 2}, 0);
test0<S>({1,2,3}, is1, {2,3});
test0<S>({1,2,3}, is2, {1,3});
test0<S>({1,2,3}, is3, {1,2});
test0<S>({1,2,3}, is4, {1,2,3});
test0<S>({1, 2, 3}, is1, {2, 3}, 1);
test0<S>({1, 2, 3}, is2, {1, 3}, 1);
test0<S>({1, 2, 3}, is3, {1, 2}, 1);
test0<S>({1, 2, 3}, is4, {1, 2, 3}, 0);
test0<S>({1,2,3}, True, {});
test0<S>({1,2,3}, False, {1,2,3});
test0<S>({1, 2, 3}, True, {}, 3);
test0<S>({1, 2, 3}, False, {1, 2, 3}, 0);
}
int main(int, char**)

61
libcxx/test/std/containers/unord/unord.multimap/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <unordered_map>
// template <class Key, class T, class Hash, class Pred, class Allocator, class Predicate>
// void erase_if(unordered_multimap<Key, T, Hash, Pred, Allocator>& c, Predicate pred);
// typename unordered_multimap<Key, T, Hash, Pred, Allocator>::size_type
// erase_if(unordered_multimap<Key, T, Hash, Pred, Allocator>& c, Predicate pred);
#include <unordered_map>
@ -29,14 +30,12 @@ M make (Init vals)
}
template <typename M, typename Pred>
void
test0(Init vals, Pred p, Init expected)
{
M s = make<M> (vals);
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
void test0(Init vals, Pred p, Init expected, size_t expected_erased_count) {
M s = make<M>(vals);
ASSERT_SAME_TYPE(typename M::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
}
template <typename S>
@ -49,33 +48,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0<S>({}, is1, {});
test0<S>({}, is1, {}, 0);
test0<S>({1}, is1, {});
test0<S>({1}, is2, {1});
test0<S>({1}, is1, {}, 1);
test0<S>({1}, is2, {1}, 0);
test0<S>({1,2}, is1, {2});
test0<S>({1,2}, is2, {1});
test0<S>({1,2}, is3, {1,2});
test0<S>({1,1}, is1, {});
test0<S>({1,1}, is3, {1,1});
test0<S>({1, 2}, is1, {2}, 1);
test0<S>({1, 2}, is2, {1}, 1);
test0<S>({1, 2}, is3, {1, 2}, 0);
test0<S>({1, 1}, is1, {}, 2);
test0<S>({1, 1}, is3, {1, 1}, 0);
test0<S>({1,2,3}, is1, {2,3});
test0<S>({1,2,3}, is2, {1,3});
test0<S>({1,2,3}, is3, {1,2});
test0<S>({1,2,3}, is4, {1,2,3});
test0<S>({1, 2, 3}, is1, {2, 3}, 1);
test0<S>({1, 2, 3}, is2, {1, 3}, 1);
test0<S>({1, 2, 3}, is3, {1, 2}, 1);
test0<S>({1, 2, 3}, is4, {1, 2, 3}, 0);
test0<S>({1,1,1}, is1, {});
test0<S>({1,1,1}, is2, {1,1,1});
test0<S>({1,1,2}, is1, {2});
test0<S>({1,1,2}, is2, {1,1});
test0<S>({1,1,2}, is3, {1,1,2});
test0<S>({1,2,2}, is1, {2,2});
test0<S>({1,2,2}, is2, {1});
test0<S>({1,2,2}, is3, {1,2,2});
test0<S>({1, 1, 1}, is1, {}, 3);
test0<S>({1, 1, 1}, is2, {1, 1, 1}, 0);
test0<S>({1, 1, 2}, is1, {2}, 2);
test0<S>({1, 1, 2}, is2, {1, 1}, 1);
test0<S>({1, 1, 2}, is3, {1, 1, 2}, 0);
test0<S>({1, 2, 2}, is1, {2, 2}, 1);
test0<S>({1, 2, 2}, is2, {1}, 2);
test0<S>({1, 2, 2}, is3, {1, 2, 2}, 0);
test0<S>({1,2,3}, True, {});
test0<S>({1,2,3}, False, {1,2,3});
test0<S>({1, 2, 3}, True, {}, 3);
test0<S>({1, 2, 3}, False, {1, 2, 3}, 0);
}
int main(int, char**)

61
libcxx/test/std/containers/unord/unord.multiset/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <set>
// template <class T, class Hash, class Compare, class Allocator, class Predicate>
// void erase_if(unordered_multiset<T, Hash, Compare, Allocator>& c, Predicate pred);
// typename unordered_multiset<T, Hash, Compare, Allocator>::size_type
// erase_if(unordered_multiset<T, Hash, Compare, Allocator>& c, Predicate pred);
#include <unordered_set>
@ -30,14 +31,12 @@ M make (Init vals)
}
template <typename M, typename Pred>
void
test0(Init vals, Pred p, Init expected)
{
M s = make<M> (vals);
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
void test0(Init vals, Pred p, Init expected, size_t expected_erased_count) {
M s = make<M>(vals);
ASSERT_SAME_TYPE(typename M::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
}
template <typename S>
@ -50,33 +49,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0<S>({}, is1, {});
test0<S>({}, is1, {}, 0);
test0<S>({1}, is1, {});
test0<S>({1}, is2, {1});
test0<S>({1}, is1, {}, 1);
test0<S>({1}, is2, {1}, 0);
test0<S>({1,2}, is1, {2});
test0<S>({1,2}, is2, {1});
test0<S>({1,2}, is3, {1,2});
test0<S>({1,1}, is1, {});
test0<S>({1,1}, is3, {1,1});
test0<S>({1, 2}, is1, {2}, 1);
test0<S>({1, 2}, is2, {1}, 1);
test0<S>({1, 2}, is3, {1, 2}, 0);
test0<S>({1, 1}, is1, {}, 2);
test0<S>({1, 1}, is3, {1, 1}, 0);
test0<S>({1,2,3}, is1, {2,3});
test0<S>({1,2,3}, is2, {1,3});
test0<S>({1,2,3}, is3, {1,2});
test0<S>({1,2,3}, is4, {1,2,3});
test0<S>({1, 2, 3}, is1, {2, 3}, 1);
test0<S>({1, 2, 3}, is2, {1, 3}, 1);
test0<S>({1, 2, 3}, is3, {1, 2}, 1);
test0<S>({1, 2, 3}, is4, {1, 2, 3}, 0);
test0<S>({1,1,1}, is1, {});
test0<S>({1,1,1}, is2, {1,1,1});
test0<S>({1,1,2}, is1, {2});
test0<S>({1,1,2}, is2, {1,1});
test0<S>({1,1,2}, is3, {1,1,2});
test0<S>({1,2,2}, is1, {2,2});
test0<S>({1,2,2}, is2, {1});
test0<S>({1,2,2}, is3, {1,2,2});
test0<S>({1, 1, 1}, is1, {}, 3);
test0<S>({1, 1, 1}, is2, {1, 1, 1}, 0);
test0<S>({1, 1, 2}, is1, {2}, 2);
test0<S>({1, 1, 2}, is2, {1, 1}, 1);
test0<S>({1, 1, 2}, is3, {1, 1, 2}, 0);
test0<S>({1, 2, 2}, is1, {2, 2}, 1);
test0<S>({1, 2, 2}, is2, {1}, 2);
test0<S>({1, 2, 2}, is3, {1, 2, 2}, 0);
test0<S>({1,2,3}, True, {});
test0<S>({1,2,3}, False, {1,2,3});
test0<S>({1, 2, 3}, True, {}, 3);
test0<S>({1, 2, 3}, False, {1, 2, 3}, 0);
}
int main(int, char**)

42
libcxx/test/std/containers/unord/unord.set/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <unordered_set>
// template <class T, class Hash, class Compare, class Allocator, class Predicate>
// void erase_if(unorderd_set<T, Hash, Compare, Allocator>& c, Predicate pred);
// typename unordered_set<T, Hash, Compare, Allocator>::size_type
// erase_if(unordered_set<T, Hash, Compare, Allocator>& c, Predicate pred);
#include <unordered_set>
@ -30,17 +31,14 @@ M make (Init vals)
}
template <typename M, typename Pred>
void
test0(Init vals, Pred p, Init expected)
{
M s = make<M> (vals);
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
void test0(Init vals, Pred p, Init expected, size_t expected_erased_count) {
M s = make<M>(vals);
ASSERT_SAME_TYPE(typename M::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
M e = make<M>(expected);
assert((std::is_permutation(s.begin(), s.end(), e.begin(), e.end())));
}
template <typename S>
void test()
{
@ -51,22 +49,22 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0<S>({}, is1, {});
test0<S>({}, is1, {}, 0);
test0<S>({1}, is1, {});
test0<S>({1}, is2, {1});
test0<S>({1}, is1, {}, 1);
test0<S>({1}, is2, {1}, 0);
test0<S>({1,2}, is1, {2});
test0<S>({1,2}, is2, {1});
test0<S>({1,2}, is3, {1,2});
test0<S>({1, 2}, is1, {2}, 1);
test0<S>({1, 2}, is2, {1}, 1);
test0<S>({1, 2}, is3, {1, 2}, 0);
test0<S>({1,2,3}, is1, {2,3});
test0<S>({1,2,3}, is2, {1,3});
test0<S>({1,2,3}, is3, {1,2});
test0<S>({1,2,3}, is4, {1,2,3});
test0<S>({1, 2, 3}, is1, {2, 3}, 1);
test0<S>({1, 2, 3}, is2, {1, 3}, 1);
test0<S>({1, 2, 3}, is3, {1, 2}, 1);
test0<S>({1, 2, 3}, is4, {1, 2, 3}, 0);
test0<S>({1,2,3}, True, {});
test0<S>({1,2,3}, False, {1,2,3});
test0<S>({1, 2, 3}, True, {}, 3);
test0<S>({1, 2, 3}, False, {1, 2, 3}, 0);
}
int main(int, char**)

6
libcxx/test/std/language.support/support.limits/support.limits.general/deque.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_nonmember_container_access 201411L [C++17]
*/
@ -82,8 +82,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_nonmember_container_access

6
libcxx/test/std/language.support/support.limits/support.limits.general/forward_list.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_incomplete_container_elements 201505L [C++17]
__cpp_lib_list_remove_return_type 201806L [C++2a]
__cpp_lib_nonmember_container_access 201411L [C++17]
@ -111,8 +111,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_incomplete_container_elements

6
libcxx/test/std/language.support/support.limits/support.limits.general/list.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_incomplete_container_elements 201505L [C++17]
__cpp_lib_list_remove_return_type 201806L [C++2a]
__cpp_lib_nonmember_container_access 201411L [C++17]
@ -111,8 +111,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_incomplete_container_elements

6
libcxx/test/std/language.support/support.limits/support.limits.general/map.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_generic_associative_lookup 201304L [C++14]
__cpp_lib_map_try_emplace 201411L [C++17]
__cpp_lib_node_extract 201606L [C++17]
@ -133,8 +133,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_generic_associative_lookup

6
libcxx/test/std/language.support/support.limits/support.limits.general/set.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_generic_associative_lookup 201304L [C++14]
__cpp_lib_node_extract 201606L [C++17]
__cpp_lib_nonmember_container_access 201411L [C++17]
@ -117,8 +117,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_generic_associative_lookup

6
libcxx/test/std/language.support/support.limits/support.limits.general/string.version.pass.cpp
View File

@ -16,7 +16,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_char8_t 201811L [C++2a]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_nonmember_container_access 201411L [C++17]
__cpp_lib_string_udls 201304L [C++14]
__cpp_lib_string_view 201606L [C++17]
@ -143,8 +143,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_nonmember_container_access

6
libcxx/test/std/language.support/support.limits/support.limits.general/unordered_map.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_generic_unordered_lookup 201811L [C++2a]
__cpp_lib_node_extract 201606L [C++17]
__cpp_lib_nonmember_container_access 201411L [C++17]
@ -127,8 +127,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# if !defined(_LIBCPP_VERSION)

6
libcxx/test/std/language.support/support.limits/support.limits.general/unordered_set.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_generic_unordered_lookup 201811L [C++2a]
__cpp_lib_node_extract 201606L [C++17]
__cpp_lib_nonmember_container_access 201411L [C++17]
@ -111,8 +111,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# if !defined(_LIBCPP_VERSION)

6
libcxx/test/std/language.support/support.limits/support.limits.general/vector.version.pass.cpp
View File

@ -15,7 +15,7 @@
/* Constant Value
__cpp_lib_allocator_traits_is_always_equal 201411L [C++17]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_incomplete_container_elements 201505L [C++17]
__cpp_lib_nonmember_container_access 201411L [C++17]
*/
@ -98,8 +98,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_incomplete_container_elements

6
libcxx/test/std/language.support/support.limits/support.limits.general/version.version.pass.cpp
View File

@ -38,7 +38,7 @@
__cpp_lib_destroying_delete 201806L [C++2a]
__cpp_lib_enable_shared_from_this 201603L [C++17]
__cpp_lib_endian 201907L [C++2a]
__cpp_lib_erase_if 201811L [C++2a]
__cpp_lib_erase_if 202002L [C++2a]
__cpp_lib_exchange_function 201304L [C++14]
__cpp_lib_execution 201603L [C++17]
__cpp_lib_filesystem 201703L [C++17]
@ -1718,8 +1718,8 @@
# ifndef __cpp_lib_erase_if
# error "__cpp_lib_erase_if should be defined in c++2a"
# endif
# if __cpp_lib_erase_if != 201811L
# error "__cpp_lib_erase_if should have the value 201811L in c++2a"
# if __cpp_lib_erase_if != 202002L
# error "__cpp_lib_erase_if should have the value 202002L in c++2a"
# endif
# ifndef __cpp_lib_exchange_function

68
libcxx/test/std/strings/strings.erasure/erase.pass.cpp
View File

@ -10,8 +10,8 @@
// <string>
// template <class charT, class traits, class Allocator, class U>
// void erase(basic_string<charT, traits, Allocator>& c, const U& value);
// typename basic_string<charT, traits, Allocator>::size_type
// erase(basic_string<charT, traits, Allocator>& c, const U& value);
#include <string>
#include <optional>
@ -21,50 +21,48 @@
#include "min_allocator.h"
template <class S, class U>
void
test0(S s, U val, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase(s, val)));
std::erase(s, val);
LIBCPP_ASSERT(s.__invariants());
assert(s == expected);
void test0(S s, U val, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase(s, val)));
assert(expected_erased_count == std::erase(s, val));
LIBCPP_ASSERT(s.__invariants());
assert(s == expected);
}
template <class S>
void test()
{
test0(S(""), 'a', S(""));
test0(S(""), 'a', S(""), 0);
test0(S("a"), 'a', S(""));
test0(S("a"), 'b', S("a"));
test0(S("a"), 'a', S(""), 1);
test0(S("a"), 'b', S("a"), 0);
test0(S("ab"), 'a', S("b"));
test0(S("ab"), 'b', S("a"));
test0(S("ab"), 'c', S("ab"));
test0(S("aa"), 'a', S(""));
test0(S("aa"), 'c', S("aa"));
test0(S("ab"), 'a', S("b"), 1);
test0(S("ab"), 'b', S("a"), 1);
test0(S("ab"), 'c', S("ab"), 0);
test0(S("aa"), 'a', S(""), 2);
test0(S("aa"), 'c', S("aa"), 0);
test0(S("abc"), 'a', S("bc"));
test0(S("abc"), 'b', S("ac"));
test0(S("abc"), 'c', S("ab"));
test0(S("abc"), 'd', S("abc"));
test0(S("abc"), 'a', S("bc"), 1);
test0(S("abc"), 'b', S("ac"), 1);
test0(S("abc"), 'c', S("ab"), 1);
test0(S("abc"), 'd', S("abc"), 0);
test0(S("aab"), 'a', S("b"));
test0(S("aab"), 'b', S("aa"));
test0(S("aab"), 'c', S("aab"));
test0(S("abb"), 'a', S("bb"));
test0(S("abb"), 'b', S("a"));
test0(S("abb"), 'c', S("abb"));
test0(S("aaa"), 'a', S(""));
test0(S("aaa"), 'b', S("aaa"));
test0(S("aab"), 'a', S("b"), 2);
test0(S("aab"), 'b', S("aa"), 1);
test0(S("aab"), 'c', S("aab"), 0);
test0(S("abb"), 'a', S("bb"), 1);
test0(S("abb"), 'b', S("a"), 2);
test0(S("abb"), 'c', S("abb"), 0);
test0(S("aaa"), 'a', S(""), 3);
test0(S("aaa"), 'b', S("aaa"), 0);
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S("aba"), opt(), S("aba"));
test0(S("aba"), opt('a'), S("b"));
test0(S("aba"), opt('b'), S("aa"));
test0(S("aba"), opt('c'), S("aba"));
// Test cross-type erasure
using opt = std::optional<typename S::value_type>;
test0(S("aba"), opt(), S("aba"), 0);
test0(S("aba"), opt('a'), S("b"), 2);
test0(S("aba"), opt('b'), S("aa"), 1);
test0(S("aba"), opt('c'), S("aba"), 0);
}
int main(int, char**)

59
libcxx/test/std/strings/strings.erasure/erase_if.pass.cpp
View File

@ -10,7 +10,8 @@
// <string>
// template <class charT, class traits, class Allocator, class Predicate>
// void erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred);
// typename basic_string<charT, traits, Allocator>::size_type
// erase_if(basic_string<charT, traits, Allocator>& c, Predicate pred);
#include <string>
@ -19,13 +20,11 @@
#include "min_allocator.h"
template <class S, class Pred>
void
test0(S s, Pred p, S expected)
{
ASSERT_SAME_TYPE(void, decltype(std::erase_if(s, p)));
std::erase_if(s, p);
LIBCPP_ASSERT(s.__invariants());
assert(s == expected);
void test0(S s, Pred p, S expected, size_t expected_erased_count) {
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
assert(expected_erased_count == std::erase_if(s, p));
LIBCPP_ASSERT(s.__invariants());
assert(s == expected);
}
template <typename S>
@ -38,33 +37,33 @@ void test()
auto True = [](auto) { return true; };
auto False = [](auto) { return false; };
test0(S(""), isA, S(""));
test0(S(""), isA, S(""), 0);
test0(S("a"), isA, S(""));
test0(S("a"), isB, S("a"));
test0(S("a"), isA, S(""), 1);
test0(S("a"), isB, S("a"), 0);
test0(S("ab"), isA, S("b"));
test0(S("ab"), isB, S("a"));
test0(S("ab"), isC, S("ab"));
test0(S("aa"), isA, S(""));
test0(S("aa"), isC, S("aa"));
test0(S("ab"), isA, S("b"), 1);
test0(S("ab"), isB, S("a"), 1);
test0(S("ab"), isC, S("ab"), 0);
test0(S("aa"), isA, S(""), 2);
test0(S("aa"), isC, S("aa"), 0);
test0(S("abc"), isA, S("bc"));
test0(S("abc"), isB, S("ac"));
test0(S("abc"), isC, S("ab"));
test0(S("abc"), isD, S("abc"));
test0(S("abc"), isA, S("bc"), 1);
test0(S("abc"), isB, S("ac"), 1);
test0(S("abc"), isC, S("ab"), 1);
test0(S("abc"), isD, S("abc"), 0);
test0(S("aab"), isA, S("b"));
test0(S("aab"), isB, S("aa"));
test0(S("aab"), isC, S("aab"));
test0(S("abb"), isA, S("bb"));
test0(S("abb"), isB, S("a"));
test0(S("abb"), isC, S("abb"));
test0(S("aaa"), isA, S(""));
test0(S("aaa"), isB, S("aaa"));
test0(S("aab"), isA, S("b"), 2);
test0(S("aab"), isB, S("aa"), 1);
test0(S("aab"), isC, S("aab"), 0);
test0(S("abb"), isA, S("bb"), 1);
test0(S("abb"), isB, S("a"), 2);
test0(S("abb"), isC, S("abb"), 0);
test0(S("aaa"), isA, S(""), 3);
test0(S("aaa"), isB, S("aaa"), 0);
test0(S("aba"), False, S("aba"));
test0(S("aba"), True, S(""));
test0(S("aba"), False, S("aba"), 0);
test0(S("aba"), True, S(""), 3);
}
int main(int, char**)

4
libcxx/utils/generate_feature_test_macro_components.py
View File

@ -475,7 +475,7 @@ feature_test_macros = sorted([ add_version_header(x) for x in [
},
{"name": "__cpp_lib_erase_if",
"values": {
"c++2a": int(201811),
"c++2a": int(202002),
},
"headers": ["string", "deque", "forward_list", "list", "vector", "map",
"set", "unordered_map", "unordered_set"]
@ -587,7 +587,7 @@ feature_test_macros = sorted([ add_version_header(x) for x in [
},
{"name": "__cpp_lib_to_array",
"values": {
"c++2a": 201907L,
"c++2a": int(201907),
},
"headers": ["array"],
},

2
libcxx/www/cxx2a_status.html
View File

@ -227,7 +227,7 @@
<tr><td></td><td></td><td></td><td></td><td></td><td></td></tr>
<tr><td><a href="https://wg21.link/P0586">P0586</a></td><td>LWG</td><td>Safe integral comparisons</td><td>Prague</td><td><i> </i></td><td></td></tr>
<tr><td><a href="https://wg21.link/P0593">P0593</a></td><td>CWG</td><td>Implicit creation of objects for low-level object manipulation</td><td>Prague</td><td><i> </i></td><td></td></tr>
<tr><td><a href="https://wg21.link/P1115">P1115</a></td><td>LWG</td><td>Improving the Return Value of Erase-Like Algorithms II: Free erase/erase if</td><td>Prague</td><td><i> </i></td><td></td></tr>
<tr><td><a href="https://wg21.link/P1115">P1115</a></td><td>LWG</td><td>Improving the Return Value of Erase-Like Algorithms II: Free erase/erase if</td><td>Prague</td><td>Complete</td><td>11.0</td></tr>
<tr><td><a href="https://wg21.link/P1243">P1243</a></td><td>LWG</td><td>Rangify New Algorithms</td><td>Prague</td><td><i> </i></td><td></td></tr>
<tr><td><a href="https://wg21.link/P1460">P1460</a></td><td>LWG</td><td>Mandating the Standard Library: Clause 20 - Utilities library</td><td>Prague</td><td><i> </i></td><td></td></tr>
<tr><td><a href="https://wg21.link/P1739">P1739</a></td><td>LWG</td><td>Avoid template bloat for safe_ranges in combination with "subrange-y" view adaptors</td><td>Prague</td><td><i> </i></td><td></td></tr>