Slava Pestov 91dffc9d44 Sema: Use AnyFunctionType::printParams() to print argument lists instead of printing a tuple type ...

Once the '@escaping' bit is removed from TupleTypeElt, it no longer makes
sense to print argument lists as if they were TupleTypes or ParenTypes,
since function types are '@escaping' by default inside tuples but not
in argument lists.

Instead, print ArrayRef<AnyFunctionType::Param> directly. For now this
introduces some awkward usages of AnyFunctionType::decomposeInput();
these will go away once the AST is changed to represent the argument list
as a list of expressions and not a single tuple expression.

2019-04-15 00:22:29 -04:00

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