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swift-mirror/include/swift/AST
John McCall a30d91e3cb Implement vararg expansion well enough to support argument forwarding.
I needed this for materializeForSet remission, but it makes inherited
variadic initializers work, too.

I tried to make this a reasonable starting point for a real language
feature.  Here's what's still missing:

- syntax
- semantic restrictions to ensure that the expression isn't written in
  invalid places or arbitrarily converted
- SILGen support for expansions that aren't the only variadic argument

rdar://16331406
2018-08-22 06:46:08 -04:00
..
2018-06-11 17:29:29 -07:00