Function core::const: unstable · source ·
pub extern "rust-intrinsic" fn type_id<T: ?Sized + 'static>() -> u128
🔬This is a nightly-only experimental API. (
Gets an identifier which is globally unique to the specified type. This function will return the same value for a type regardless of whichever crate it is invoked in.
Note that, unlike most intrinsics, this is safe to call;
it does not require an
Therefore, implementations must not require the user to uphold
any safety invariants.
The stabilized version of this intrinsic is