Doug Gregor 2852e461e8 Teach AST to lazily fill in the T[] and T? implementation types. ...

We previously relied on the type checker to fill in the implementation
types (swift.Slice<T> and swift.Optional<T>, respectively), which
limited our ability to perform type transformations in the AST. Now,
the AST knows how to form these implementation types on demand.



Swift SVN r7587

2013-08-26 19:08:39 +00:00

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