3 // This test is complement to the test in issue-73976-polymorphic.rs.
4 // In that test we ensure that polymorphic use of type_id and type_name in patterns
5 // will be properly rejected. This test will ensure that monomorphic use of these
6 // would not be wrongly rejected in patterns.
8 #![feature(const_type_id)]
9 #![feature(const_type_name)]
10 #![feature(const_trait_impl)]
12 use std::any::{self, TypeId};
14 pub struct GetTypeId<T>(T);
16 impl<T: 'static> GetTypeId<T> {
17 pub const VALUE: TypeId = TypeId::of::<T>();
20 const fn check_type_id<T: 'static>() -> bool {
21 GetTypeId::<T>::VALUE == GetTypeId::<usize>::VALUE
24 pub struct GetTypeNameLen<T>(T);
26 impl<T: 'static> GetTypeNameLen<T> {
27 pub const VALUE: usize = any::type_name::<T>().len();
30 const fn check_type_name_len<T: 'static>() -> bool {
31 matches!(GetTypeNameLen::<T>::VALUE, GetTypeNameLen::<usize>::VALUE)
35 assert!(check_type_id::<usize>());
36 assert!(check_type_name_len::<usize>());