llvm-project/clang/test/SemaTemplate/issue150.cpp

108 lines
2.6 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
// Core issue 150: Template template parameters and default arguments
template<typename T, typename U>
struct is_same {
static const bool value = false;
};
template<typename T>
struct is_same<T, T> {
static const bool value = true;
};
namespace PR9353 {
template<class _T, class Traits> class IM;
template <class T, class Trt,
template<class _T, class Traits = int> class IntervalMap>
void foo(IntervalMap<T,Trt>* m) { typedef IntervalMap<int> type; }
void f(IM<int, int>* m) { foo(m); }
}
namespace PR9400 {
template<template <typename T, typename = T > class U> struct A
{
template<int> U<int> foo();
};
template <typename T, typename = T>
struct s {
};
void f() {
A<s> x;
x.foo<2>();
}
}
namespace MultiReplace {
template<typename Z,
template<typename T, typename U = T *, typename V = U const> class TT>
struct X {
typedef TT<Z> type;
};
template<typename T, typename = int, typename = float>
struct Y { };
int check0[is_same<X<int, Y>::type, Y<int, int*, int* const> >::value? 1 : -1];
}
namespace MultiReplacePartial {
template<typename First, typename Z,
template<typename T, typename U = T *, typename V = U const> class TT>
struct X {
typedef TT<Z> type;
};
template<typename Z,
template<typename T, typename U = T *, typename V = U const> class TT>
struct X<int, Z, TT> {
typedef TT<Z> type;
};
template<typename T, typename = int, typename = float>
struct Y { };
int check0[is_same<X<int, int, Y>::type, Y<int, int*, int* const> >::value? 1 : -1];
}
namespace PR9016 {
template<typename > struct allocator ;
template<typename > struct less ;
template<class T, template<class> class Compare, class Default,
template<class> class Alloc>
struct interval_set { };
template <class X, template<class> class = less> struct interval_type_default {
typedef X type;
};
template <class T,
template<class _T, template<class> class Compare = PR9016::less,
class = typename interval_type_default<_T,Compare>::type,
template<class> class = allocator> class IntervalSet>
struct ZZZ
{
IntervalSet<T> IntervalSetT;
};
template <class T,
template<class _T, template<class> class Compare = PR9016::less,
class = typename interval_type_default<_T,Compare>::type,
template<class> class = allocator> class IntervalSet>
void int40()
{
IntervalSet<T> IntervalSetT;
}
void test() {
ZZZ<int, interval_set> zzz;
int40<int, interval_set>();
}
}