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828eb68e72
There's still work left to do. In terms of next steps, there's still rdar://problem/22126141, which covers removing the 'workaround' overloads for print (that prevent bogus overload resolution failures), as well as providing a decent diagnostic when users invoke print with 'appendNewline'. Swift SVN r30976
56 lines
1.1 KiB
Swift
56 lines
1.1 KiB
Swift
// RUN: rm -rf %t && mkdir %t
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// RUN: %target-build-swift %s -o %t/a.out
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// RUN: %target-run %t/a.out | FileCheck %s
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// REQUIRES: executable_test
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protocol MyPrintable {
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func myPrint()
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}
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extension Int : MyPrintable {
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func myPrint() {
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print(self.description, terminator: "")
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}
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}
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extension String : MyPrintable {
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func myPrint() {
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print(self.debugDescription, terminator: "")
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}
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}
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struct BufferedPair<T, U> {
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var front: UInt8
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var first: T
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var second: U
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var back: UInt8
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}
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enum State : MyPrintable {
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case CA, OR, WA
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func myPrint() {
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switch self {
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case .CA:
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print("California", terminator: "")
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case .OR:
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print("Oregon", terminator: "")
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case .WA:
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print("Washington", terminator: "")
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}
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}
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}
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func printPair<A : MyPrintable, B : MyPrintable>(p: BufferedPair<A,B>) {
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print("\(p.front) ", terminator: "")
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p.first.myPrint()
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print(" ", terminator: "")
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p.second.myPrint()
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print(" \(p.back)")
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}
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var p = BufferedPair(front: 219, first: State.OR, second: "Idaho's Portugal",
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back: 17)
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// CHECK: 219 Oregon "Idaho\'s Portugal" 17
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printPair(p)
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