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[overlay][gardening] Use optional binding

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This commit is contained in:
Sho Ikeda
2017-12-07 21:29:37 +09:00
parent 7ffb1a4691
commit 5682993d7c
2 changed files with 10 additions and 10 deletions
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4
stdlib/public/SDK/Foundation/NSStringAPI.swift
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@@ -1471,8 +1471,8 @@ extension StringProtocol where Index == String.Index {
tokenRanges: $0) as NSArray
}
if nsTokenRanges != nil {
tokenRanges?.pointee = (nsTokenRanges! as [AnyObject]).map {
if let nsTokenRanges = nsTokenRanges {
tokenRanges?.pointee = (nsTokenRanges as [AnyObject]).map {
self._range($0.rangeValue)
}
}