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19 lines
604 B
Swift
19 lines
604 B
Swift
// This source file is part of the Swift.org open source project
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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// RUN: %target-swift-frontend %s -emit-ir
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// Test case submitted to project by https://github.com/tmu (Teemu Kurppa)
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extension String : RangeReplaceableCollection {}
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func f<S : RangeReplaceableCollection>(_ seq: S) -> S {
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return S() + seq
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}
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f("a")
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