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#import "NSArray-NestedArrays.h"
@implementation NSArray(NestedArrays)
- (id)nestedObjectAtIndexPath:(NSIndexPath *)indexPath {
NSUInteger row = [indexPath row];
NSUInteger section = [indexPath section];
NSArray *subArray = [self objectAtIndex:section];
if (![subArray isKindOfClass:[NSArray class]])
return nil;
if (row >= [subArray count])
return nil;
return [subArray objectAtIndex:row];
}
- (NSInteger)countOfNestedArray:(NSUInteger)section {
NSArray *subArray = [self objectAtIndex:section];
return [subArray count];
}
@end
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