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[stdlib] Correct a comment

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This commit is contained in:
Dave Abrahams
2017-07-20 18:11:57 -07:00
committed by GitHub
parent c497969987
commit 1f6867892a
1 changed files with 5 additions and 1 deletions
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6
stdlib/public/core/StringRangeReplaceableCollection.swift.gyb
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@@ -42,7 +42,11 @@ extension String : StringProtocol, RangeReplaceableCollection {
self._core = CharacterView(other)._core self._core = CharacterView(other)._core
} }
// This initializer satisfies the LosslessStringConvertible conformance // The defaulted argument prevents this initializer from satisfies the
// LosslessStringConvertible conformance. You can satisfy a protocol
// requirement with something that's not yet available, but not with
// something that has become unavailable. Without this, the code won't
// compile as Swift 4.
@available(swift, obsoleted: 4, message: "String.init(_:String) is no longer failable") @available(swift, obsoleted: 4, message: "String.init(_:String) is no longer failable")
public init?(_ other: String, obsoletedInSwift4: () = ()) { public init?(_ other: String, obsoletedInSwift4: () = ()) {
self.init(other._core) self.init(other._core)