Slava Pestov a4afb993f1 AST: Make Type::transform() more robust with ParenTypes ...

There is never any reason for a transform to treat a ParenType
differently from the underlying type itself. Calling the given
function with ParenTypes is a source of bugs where they get
desugared on accident. Make transform() skip the function
entirely for ParenTypes, and remove a spot where we were
checking explicitly.

2016-12-12 21:10:07 -08:00

102 KiB

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