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2 Commits

Author SHA1 Message Date
Arnold Schwaighofer
e113ef8c93 Add a mode to test implicit dynamic with private imports 2019-03-20 14:34:01 -07:00
Arnold Schwaighofer
35ca0e3423 Add support for dynamic replacement of didSet/willSet 
The observer in a dynamic replacement of variables with a observer will
provide the dynamic replacement for the original.

var original : Int = 0 {
  didSet {
    print("original")
  }
}

@_dynamicReplacement(for: original)
var replacement : Int = 0 {
  didSet {
    print("replacement")
  }
}

rdar://48518788
 2019-03-15 16:30:03 -07:00