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jparise/gist:3778366

Created September 24, 2012 21:03
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-arrayByApplyingBlock:
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gistfile1.m
- (NSArray *)arrayByApplyingBlock:(id (^)(id obj))block {
NSParameterAssert(block != nil);
NSMutableArray *result = [NSMutableArray arrayWithCapacity:self.count];
for (id obj in self) {
[result addObject:block(obj)];
}
return result;
}
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