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Commit | Line | Data |
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dc9dc135 XL |
1 | // run-pass |
2 | ||
3 | #![feature(core_intrinsics)] | |
dfeec247 | 4 | #![feature(const_type_name)] |
dc9dc135 XL |
5 | #![allow(dead_code)] |
6 | ||
7 | const fn type_name_wrapper<T>(_: &T) -> &'static str { | |
416331ca | 8 | core::intrinsics::type_name::<T>() |
dc9dc135 XL |
9 | } |
10 | ||
11 | struct Struct<TA, TB, TC> { | |
12 | a: TA, | |
13 | b: TB, | |
14 | c: TC, | |
15 | } | |
16 | ||
17 | type StructInstantiation = Struct<i8, f64, bool>; | |
18 | ||
19 | const CONST_STRUCT: StructInstantiation = StructInstantiation { | |
20 | a: 12, | |
21 | b: 13.7, | |
22 | c: false, | |
23 | }; | |
24 | ||
25 | const CONST_STRUCT_NAME: &'static str = type_name_wrapper(&CONST_STRUCT); | |
26 | ||
27 | fn main() { | |
28 | let non_const_struct = StructInstantiation { | |
29 | a: 87, | |
30 | b: 65.99, | |
31 | c: true, | |
32 | }; | |
33 | ||
34 | let non_const_struct_name = type_name_wrapper(&non_const_struct); | |
35 | ||
36 | assert_eq!(CONST_STRUCT_NAME, non_const_struct_name); | |
37 | } |