pub type CanonicalUserType<'tcx> = Canonical<'tcx, UserType<'tcx>>;
Expand description

Canonical user type annotation.



impl<'tcx> CanonicalUserType<'tcx>


pub fn is_identity(&self) -> bool

Returns true if this represents a substitution of the form [?0, ?1, ?2], i.e., each thing is mapped to a canonical variable with the same index.


Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size:48 bytes