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comparison gcc/testsuite/g++.dg/cpp2a/concepts-requires20.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // { dg-do compile { target c++2a } }
2
3 template<typename ...>
4 constexpr bool r () { return true; }
5
6 template<typename ... Ts>
7 requires r<Ts...>() // { dg-error "enclose" }
8 void f() { }
9
10 template<typename T, T N>
11 requires ++N // { dg-error "enclose" }
12 void f() { }
13
14 template<typename T, T N>
15 requires N++ // { dg-error "enclose" }
16 void f() { }
17
18 template<typename T, T N>
19 requires N == 0 // { dg-error "enclose" }
20 void f() { }
21
22 template<typename T, T N>
23 requires N ? true : false // { dg-error "enclose" }
24 void f() { }
25
26 template<typename T, T N>
27 requires N = 0 // { dg-error "enclose" }
28 void f() { }
29
30 template<typename T, T N>
31 requires N + 1 // { dg-error "enclose" }
32 void f() { }
33
34 template<typename T, T N>
35 requires N - 1 // { dg-error "enclose" }
36 void f() { }
37
38 template<typename T, T N>
39 requires N.x // { dg-error "enclose" }
40 void f() { }
41
42 template<typename T, T N>
43 requires N->x && true // { dg-error "enclose" }
44 void f() { }
45
46 template<typename T, T N>
47 requires N && N
48 void f() { }
49
50 template<typename T, T N>
51 requires N || N
52 void f() { }
53
54 template<typename T, T N>
55 requires N || !N // { dg-error "enclose" }
56 void f() { }
57
58 template<typename T, T N>
59 requires N[0] // { dg-error "enclose" }
60 void f() { }
61
62 template<typename T, T N>
63 requires static_cast<bool>(N) // { dg-error "enclose" }
64 void f() { }
65