Determine if converting 'this' to 'to' is an identity operation, a conversion to const operation, or the types aren't the same.
MATCH.exact 'this' == 'to' MATCH.constant 'to' is const MATCH.nomatch conversion to mutable or invariant
See Implementation
Determine if converting 'this' to 'to' is an identity operation, a conversion to const operation, or the types aren't the same.