]> git.lizzy.rs Git - rust.git/blob - src/test/ui/consts/const-fn-type-name-any.rs
Rollup merge of #64603 - gilescope:unused-lifetime-warning, r=matthewjasper
[rust.git] / src / test / ui / consts / const-fn-type-name-any.rs
1 // run-pass
2
3 #![feature(const_fn)]
4 #![feature(const_type_name)]
5 #![allow(dead_code)]
6
7 const fn type_name_wrapper<T>(_: &T) -> &'static str {
8     std::any::type_name::<T>()
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 { a: 12, b: 13.7, c: false };
20
21 const CONST_STRUCT_NAME: &'static str = type_name_wrapper(&CONST_STRUCT);
22
23 fn main() {
24     let non_const_struct = StructInstantiation { a: 87, b: 65.99, c: true };
25
26     let non_const_struct_name = type_name_wrapper(&non_const_struct);
27
28     assert_eq!(CONST_STRUCT_NAME, non_const_struct_name);
29 }