diff options
Diffstat (limited to 'tests/ui/consts/const-typeid-of-rpass.rs')
-rw-r--r-- | tests/ui/consts/const-typeid-of-rpass.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/consts/const-typeid-of-rpass.rs b/tests/ui/consts/const-typeid-of-rpass.rs new file mode 100644 index 000000000..89d57ae4f --- /dev/null +++ b/tests/ui/consts/const-typeid-of-rpass.rs @@ -0,0 +1,34 @@ +// run-pass +#![feature(const_type_id)] +#![feature(core_intrinsics)] + +use std::any::TypeId; + +struct A; + +static ID_ISIZE: TypeId = TypeId::of::<isize>(); + +pub fn main() { + assert_eq!(ID_ISIZE, TypeId::of::<isize>()); + + // sanity test of TypeId + const T: (TypeId, TypeId, TypeId) = (TypeId::of::<usize>(), + TypeId::of::<&'static str>(), + TypeId::of::<A>()); + let (d, e, f) = (TypeId::of::<usize>(), TypeId::of::<&'static str>(), + TypeId::of::<A>()); + + assert!(T.0 != T.1); + assert!(T.0 != T.2); + assert!(T.1 != T.2); + + assert_eq!(T.0, d); + assert_eq!(T.1, e); + assert_eq!(T.2, f); + + // Check fn pointer against collisions + const F: (TypeId, TypeId) = (TypeId::of::<fn(fn(A) -> A) -> A>(), + TypeId::of::<fn(fn() -> A, A) -> A>()); + + assert!(F.0 != F.1); +} |