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synced 2026-06-20 15:42:51 +02:00
Clinton Nkwocha
304335e3e8
Adds `Hashable` conformance to `Dictionary.Keys`, `CollectionOfOne` and `EmptyCollection`. _Proposal: [SE-0514](https://github.com/swiftlang/swift-evolution/blob/main/proposals/0514-hashable-conformance-for-dictionarykeys-collectionofone-emptycollection.md)_
31 lines
968 B
Swift
31 lines
968 B
Swift
//===--- EmptyCollection.swift ----------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2026 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 https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// RUN: %target-run-simple-swift
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// REQUIRES: executable_test
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import StdlibUnittest
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var testSuite = TestSuite("EmptyCollection")
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struct NonHashable {}
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if #available(SwiftStdlib 6.4, *) {
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testSuite.test("UnconditionallyHashable") {
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checkHashable(expectedEqual: true, EmptyCollection<AnyHashable>(), EmptyCollection<AnyHashable>())
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checkHashable(expectedEqual: true, EmptyCollection<NonHashable>(), EmptyCollection<NonHashable>())
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}
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}
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runAllTests()
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