Function type_of 

pub const fn type_of(_id: TypeId) -> Type

🔬This is a nightly-only experimental API. (core_intrinsics)

This item is validated for IEC 61508 (SIL 2) and ISO 26262 (ASIL B).

Compute the type information of a concrete type. It can only be called at compile time, the backends do not implement it.