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Allow unique_ptr<T const []> to be constructed with a T* (in addition to a const T*) 

llvm-svn: 146736
This commit is contained in:
Howard Hinnant 2011-12-16 15:37:23 +00:00
parent 2c899a181c
commit d6f44b6601
1 changed files with 22 additions and 4 deletions
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26
libcxx/include/memory
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@ -2498,6 +2498,24 @@ private:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
unique_ptr(const unique_ptr&);
unique_ptr& operator=(const unique_ptr&);
template <class _P1,
bool = is_same<typename remove_cv<typename pointer_traits<_P1>::element_type>::type,
typename remove_cv<element_type>::type>::value>
struct __same_or_less_cv_qualified_imp
: is_convertible<_P1, pointer> {};
template <class _P1>
struct __same_or_less_cv_qualified_imp<_P1, false>
: false_type {};
template <class _P1, bool = is_scalar<_P1>::value && !is_pointer<_P1>::value>
struct __same_or_less_cv_qualified
: __same_or_less_cv_qualified_imp<_P1> {};
template <class _P1>
struct __same_or_less_cv_qualified<_P1, true>
: false_type {};
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
unique_ptr(unique_ptr&);
template <class _Up>
@ -2526,7 +2544,7 @@ public:
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Pp,
class = typename enable_if<is_same<_Pp, pointer>::value>::type
class = typename enable_if<__same_or_less_cv_qualified<_Pp>::value>::type
>
_LIBCPP_INLINE_VISIBILITY explicit unique_ptr(_Pp __p) _NOEXCEPT
: __ptr_(__p)
@ -2536,7 +2554,7 @@ public:
}
template <class _Pp,
class = typename enable_if<is_same<_Pp, pointer>::value>::type
class = typename enable_if<__same_or_less_cv_qualified<_Pp>::value>::type
>
_LIBCPP_INLINE_VISIBILITY unique_ptr(_Pp __p, typename conditional<
is_reference<deleter_type>::value,
@ -2553,7 +2571,7 @@ public:
: __ptr_(pointer(), __d) {}
template <class _Pp,
class = typename enable_if<is_same<_Pp, pointer>::value ||
class = typename enable_if<__same_or_less_cv_qualified<_Pp>::value ||
is_same<_Pp, nullptr_t>::value>::type
>
_LIBCPP_INLINE_VISIBILITY unique_ptr(_Pp __p, typename remove_reference<deleter_type>::type&& __d)
@ -2637,7 +2655,7 @@ public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Pp,
class = typename enable_if<is_same<_Pp, pointer>::value>::type
class = typename enable_if<__same_or_less_cv_qualified<_Pp>::value>::type
>
_LIBCPP_INLINE_VISIBILITY void reset(_Pp __p) _NOEXCEPT
{