34 lines
728 B
C
34 lines
728 B
C
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//
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// Pair.h
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// Cog
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//
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// Created by Eric Hanneken on 2/13/08.
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// Copyright 2008 Vincent Spader. All rights reserved.
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//
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#import <Cocoa/Cocoa.h>
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@interface NSArray (ShuffleUtils)
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+ (NSArray *) arrayWithRandomLongs:(NSUInteger) count;
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/*
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* zip produces a new array by pairing successive objects
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* from two input arrays until one is exhausted. Only
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* pointers are copied; the objects are not.
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*/
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+ (NSArray *)zipArray:(NSArray*)x withArray:(NSArray *) y;
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/*
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* Unzip produces a new pair of arrays by separating
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* an input array of pairs. Only pointers are copied;
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* the objects are not.
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*/
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+ (NSArray *) unzipArray:(NSArray*) pairs;
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- (NSComparisonResult) compareFirsts:(id) y;
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- (id)first;
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- (id)second;
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@end
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