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icodebuster/Retrive Array Index.m

Created February 18, 2014 04:51
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Using predicate to retrieve an index of an object in an NSArray.
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Retrive Array Index.m
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"self.id == %@", @"1"];
NSUInteger index = [mainArray indexOfObjectPassingTest:^(id obj, NSUInteger idx, BOOL *stop) {
return [predicate evaluateWithObject:obj];
}];
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