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Update NSIndexSet enumeration snippets to Swift #55

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Dec 7, 2015
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Update NSIndexSet enumeration snippets to Swift #55

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14 changes: 7 additions & 7 deletions Foundation/NSIndexSet.swift
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Expand Up @@ -13,17 +13,17 @@
The following code snippets can be used to enumerate over the indexes in an NSIndexSet:

// Forward
NSUInteger currentIndex = [set firstIndex];
while (currentIndex != NSNotFound) {
var currentIndex = set.firstIndex
while currentIndex != NSNotFound {
...
currentIndex = [set indexGreaterThanIndex:currentIndex];
currentIndex = set.indexGreaterThanIndex(currentIndex)
}

// Backward
NSUInteger currentIndex = [set lastIndex];
while (currentIndex != NSNotFound) {
var currentIndex = set.lastIndex
while currentIndex != NSNotFound {
...
currentIndex = [set indexLessThanIndex:currentIndex];
currentIndex = set.indexLessThanIndex(currentIndex)
}

To enumerate without doing a call per index, you can use the method getIndexes:maxCount:inIndexRange:.
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