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[stdlib] Enable interchange among StringProtocol models

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Dave Abrahams
2017-05-14 09:00:56 -07:00
parent 2f5a327f82
commit d6fee05375
6 changed files with 128 additions and 3 deletions
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4
stdlib/public/core/StringUnicodeScalarView.swift
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@@ -326,6 +326,10 @@ extension String {
public typealias UnicodeScalarIndex = UnicodeScalarView.Index
}
extension String.UnicodeScalarView : _SwiftStringView {
var _persistentContent : String { return String(_core) }
}
extension String {
/// The string's value represented as a collection of Unicode scalar values.
public var unicodeScalars: UnicodeScalarView {