Reuse it in the main type-checking path in DoubleColonExpressionResolver, as
well as in ArgumentTypeResolver which handles the case when a callable
reference appears as an argument to another call
- locals win
- unary calls to plus/minus are not supported in favor of unaryPlus/unaryMinus
- unqualified nested classes are temporarily reported as unresolved
- function without receiver win against extension function
- explicit import win against star import
Pavel Kirpichenkov