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83823f5f7f
* Obsolete ModifierSlice typealiases in 5.0 * Obsolete *Indexable in 5.0 * Obsolete IteratorOverOne/EmptyIterator in 5.0 * Obsolete lazy typealiases in 5.0 * Drop .characters from tests * Obsolete old literal protocols in 5.0 * Obsolete Range conversion helpers in 5.0 * Obsolete IndexDistance helpers in 5.0 * Obsolete Unsafe compat helpers in 5.0 * Obsolete flatMap compatibility helper in 5.0 * Obsolete withMutableCharacters in 5.0 * Obsolete customPlaygroundQuickLook in 5.0 * Deprecate Zip2Sequence streams in 5.0 * Replace * with swift on lotsa stuff * Back off obsoleting playground conformances for now
54 lines
1.8 KiB
Swift
54 lines
1.8 KiB
Swift
//===--- KeyValuePairs.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) 2014 - 2017 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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// REQUIRES: objc_interop
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import Foundation
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import StdlibUnittest
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// Check that the generic parameters are called 'Key' and 'Value'.
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protocol TestProtocol1 {}
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extension KeyValuePairs where Key : TestProtocol1, Value : TestProtocol1 {
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var _keyAndValueAreTestProtocol1: Bool {
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fatalError("not implemented")
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}
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}
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func checkAssociatedTypes() {
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typealias Subject = KeyValuePairs<MinimalHashableValue, OpaqueValue<Int>>
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expectRandomAccessCollectionAssociatedTypes(
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collectionType: Subject.self,
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iteratorType: IndexingIterator<Subject>.self,
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subSequenceType: Slice<Subject>.self,
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indexType: Int.self,
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indicesType: CountableRange<Int>.self)
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}
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var strings: KeyValuePairs = ["a": "1", "b": "Foo"]
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expectType(KeyValuePairs<String, String>.self, &strings)
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var stringNSStringLiteral: KeyValuePairs = [
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"a": "1", "b": "Foo" as NSString]
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expectType(KeyValuePairs<String, NSString>.self, &stringNSStringLiteral)
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let aString = "1"
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let anNSString = "Foo" as NSString
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var stringNSStringLet: KeyValuePairs = [ "a": aString as NSString, "b": anNSString]
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expectType(KeyValuePairs<String, NSString>.self, &stringNSStringLet)
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var hetero: KeyValuePairs = ["a": 1 as NSNumber, "b": "Foo" as NSString]
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expectType(KeyValuePairs<String, NSObject>.self, &hetero)
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