Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/req6.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do compile { target c++17 } } // { dg-options "-fconcepts" } struct X { }; int operator==(X, X) { return 0; } template<typename T> concept bool C1() { return X(); } // { dg-error "bool" } template<C1 T> void h(T) { } // OK until used. void f() { h(0); // { dg-error "does not have|cannot call" } } template<typename T> concept bool C2() { return X() == X(); } // OK