view gcc/testsuite/g++.dg/concepts/iconv1.C @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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// PR c++/67240
// { dg-options "-std=c++17 -fconcepts" }

int foo(int x)
{
    return x;
}
 
template <typename T>
concept bool C1 = requires (T x) {
    {foo(x)} -> int&;
};

template <typename T>
concept bool C2 = requires (T x) {
    {foo(x)} -> void;
};
 
static_assert( C1<int> );	// { dg-error "assert" }
static_assert( C2<int> );	// { dg-error "assert" }