Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/equiv.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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// { dg-do compile { target c++17 } } // { dg-options "-fconcepts" } // Check equivalence of short- and longhand declarations. template<typename T> concept bool C() { return __is_class(T); } template<typename T> concept bool D() { return __is_empty(T); } struct X { } x; void f1(C x); template<C T> void f2(T x); void f3(C x); template<C T> void f4(T x) requires D<T>(); template<C T> void f5(T x) requires D<T>(); template<C T> void f6(T x) requires D<T>(); int main() { f1(x); f2(x); f3(x); f4(x); f5(x); f6(x); } template<typename T> requires C<T>() void f1(T x) { } template<typename T> requires C<T>() void f2(T x) { } template<C T> void f3(T x) { } template<typename T> requires C<T>() void f4(T x) requires D<T>() { } template<typename T> requires C<T>() and D<T>() void f5(T x) { } template<typename T> void f6(T x) requires C<T>() and D<T>() { }