| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| |
| // RUN: not %target-swift-frontend %s -typecheck |
| |
| // Issue found by https://github.com/robrix (Rob Rix) |
| // http://www.openradar.me/19343997 |
| |
| func b<T>(String -> (T, String)? |
| func |<T>(c: String -> (T, String)? |
| a:String > (())) -> String -> (T?, String)? |
| b("" | "" | "" | "") |
