| // RUN: %target-typecheck-verify-swift -swift-version 4 |
| |
| struct Int64Distance<Element>: Collection { |
| let _storage: [Element] |
| |
| typealias Index = Int64 |
| typealias IndexDistance = Int64 |
| |
| var startIndex: Index { return Int64(_storage.startIndex) } |
| var endIndex: Index { return Int64(_storage.startIndex) } |
| func index(after i: Index) -> Index { return i + 1 } |
| |
| subscript(i: Index) -> Element { return _storage[Int(i)] } |
| } |
| |
| let c = Int64Distance(_storage: [1,2,3]) |
| |
| let i64: Int64 = 2 |
| _ = c.index(c.startIndex, offsetBy: i64) // expected-warning {{'index(_:offsetBy:)' is deprecated: all index distances are now of type Int}} |
| |
| let _: Int64 = c.distance(from: c.startIndex, to: c.endIndex) // expected-warning {{distance(from:to:)' is deprecated: all index distances are now of type Int}} |
| |
