[swift-users] LazyCollection.map()

[Aaron Bohannon]

Does the code below have a well-defined behavior?


struct Nope: ErrorType {}

func f(i: Int) throws -> Int {
  guard i < 5 else { throw Nope() }
  return i
}

do {
  let _ = try Array(0 ..< 10).lazy.map(f)
  print("lazy")
} catch (let e) {
  print(e)
}
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