43 lines
905 B
Mathematica
43 lines
905 B
Mathematica
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//
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// NSArray+MTLManipulationAdditions.m
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// Mantle
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//
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// Created by Josh Abernathy on 9/19/12.
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// Copyright (c) 2012 GitHub. All rights reserved.
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//
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#import "NSArray+MTLManipulationAdditions.h"
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@interface NSArray (MTLDeclarations)
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// This declaration is needed so Mantle can be compiled with SDK 6 / 10.8.
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- (id)firstObject;
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@end
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@implementation NSArray (MTLManipulationAdditions)
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- (id)mtl_firstObject {
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return self.firstObject;
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}
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- (instancetype)mtl_arrayByRemovingObject:(id)object {
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NSMutableArray *result = [self mutableCopy];
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[result removeObject:object];
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return result;
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}
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- (instancetype)mtl_arrayByRemovingFirstObject {
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if (self.count == 0) return self;
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return [self subarrayWithRange:NSMakeRange(1, self.count - 1)];
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}
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- (instancetype)mtl_arrayByRemovingLastObject {
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if (self.count == 0) return self;
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return [self subarrayWithRange:NSMakeRange(0, self.count - 1)];
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}
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@end
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