swift failed with exit code 1 while compiling in Xcode - possibly related to Bridging-Headers

Question

I have an Obj-C Project I\'m trying to migrate to Swift. I did succeed with various classes but recently ran into an issue I can\'t seem to make sense of. When I try to comp

Answer 1

This happened to me when trying to reference a method from an inmutable protocol argument(by mistake, I thought the member was a property):

Having an interface as follows:

public protocol NSValidatedUserInterfaceItem {
  func tag() -> Int
}

Compilation crash

func validateUserInterfaceItem(anItem: NSValidatedUserInterfaceItem) -> Bool {
    print(anItem.tag) // oopsie, tag is a function
    return false
}

Compilation success

func validateUserInterfaceItem(anItem: NSValidatedUserInterfaceItem) -> Bool {
  print(anItem.tag()) // this is cool for swift
  return false
}