diff options
Diffstat (limited to 'src/test/ui/consts/const-fn-type-name.rs')
-rw-r--r-- | src/test/ui/consts/const-fn-type-name.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-fn-type-name.rs b/src/test/ui/consts/const-fn-type-name.rs new file mode 100644 index 000000000..fd4f60cb8 --- /dev/null +++ b/src/test/ui/consts/const-fn-type-name.rs @@ -0,0 +1,37 @@ +// run-pass + +#![feature(core_intrinsics)] +#![feature(const_type_name)] +#![allow(dead_code)] + +const fn type_name_wrapper<T>(_: &T) -> &'static str { + core::intrinsics::type_name::<T>() +} + +struct Struct<TA, TB, TC> { + a: TA, + b: TB, + c: TC, +} + +type StructInstantiation = Struct<i8, f64, bool>; + +const CONST_STRUCT: StructInstantiation = StructInstantiation { + a: 12, + b: 13.7, + c: false, +}; + +const CONST_STRUCT_NAME: &'static str = type_name_wrapper(&CONST_STRUCT); + +fn main() { + let non_const_struct = StructInstantiation { + a: 87, + b: 65.99, + c: true, + }; + + let non_const_struct_name = type_name_wrapper(&non_const_struct); + + assert_eq!(CONST_STRUCT_NAME, non_const_struct_name); +} |