Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/explicit-spec1.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 run { target c++17 } } // { dg-options "-fconcepts" } #include <cassert> template<typename T> concept bool C() { return __is_class(T); } template<typename T> concept bool D() { return C<T>() && __is_empty(T); } struct X { } x; struct Y { int n; } y; template<typename T> void g(T) { } // #1 template<C T> void g(T) { } // #2 template<D T> void g(T) { } // #3 int called; template<> void g(int) { called = 1; } // Specialization of #1 template<> void g<X>(X) { called = 2; } // Specialization of #3 template<> void g(Y) { called = 3; } // Specialization of #2 int main() { g(0); assert(called == 1); g(x); assert(called == 2); g(y); assert(called == 3); }