1
2// Support parsing of function concepts and variable concepts
3
4// RUN:  %clang_cc1 -std=c++14 -fconcepts-ts -x c++ -verify %s
5
6template<typename T> concept bool C1 = true;
7
8template<typename T> concept bool C2() { return true; }
9
10template<typename T>
11struct A { typedef bool Boolean; };
12
13template<int N>
14A<void>::Boolean concept C3(!0);
15
16template<typename T, int = 0>
17concept auto C4(void) -> bool { return true; }
18
19constexpr int One = 1;
20
21template <typename>
22static concept decltype(!0) C5 { bool(One) };
23
24template<typename T> concept concept bool C6 = true; // expected-warning {{duplicate 'concept' declaration specifier}}
25
26template<typename T> concept concept bool C7() { return true; } // expected-warning {{duplicate 'concept' declaration specifier}}
27
28template<concept T> concept bool D1 = true; // expected-error {{unknown type name 'T'}}
29