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view gcc/testsuite/g++.dg/concepts/placeholder5.C @ 111:04ced10e8804

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

template <class T, class U>
concept bool Same = __is_same_as(T, U);

const int i = 0;
template <class T>
concept bool C =
  requires {
    { &i } -> const Same<T>*;
  };

template <C c>
constexpr bool f() { return true; }

static_assert(f<double>(), "");	// { dg-error "" }
static_assert(f<int>(), "");