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Marcelo Fabri
26 lines
723 B
Swift
26 lines
723 B
Swift
//
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// CharacterSet+LinuxHack.swift
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// SwiftLint
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//
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// Created by Marcelo Fabri on 12/25/16.
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// Copyright © 2016 Realm. All rights reserved.
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//
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import Foundation
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extension CharacterSet {
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func isSuperset(ofCharactersIn string: String,
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union other: CharacterSet = CharacterSet()) -> Bool {
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#if swift(>=3.2)
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let set = union(other)
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return set.isSuperset(of: CharacterSet(charactersIn: string))
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#else
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// workaround for https://bugs.swift.org/browse/SR-3485
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return !Set(string.characters).contains { character in
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let scalar = String(character).unicodeScalars.first!
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return !contains(scalar) && !other.contains(scalar)
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}
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#endif
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}
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}
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