41 lines
1.1 KiB
Mathematica
41 lines
1.1 KiB
Mathematica
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// Copyright (c) 2024 Tencent. All rights reserved.
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// Author: eddardliu
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#import "NSArray+Functional.h"
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@implementation NSArray (Functional)
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- (NSArray *)tui_multimedia_map:(id (^)(id))f {
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NSMutableArray *array = [NSMutableArray arrayWithCapacity:self.count];
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for (id x in self) {
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[array addObject:f(x)];
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}
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return array;
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}
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- (NSArray *)tui_multimedia_mapWithIndex:(id (^)(id, NSUInteger))f {
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const NSUInteger count = self.count;
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NSMutableArray *array = [NSMutableArray arrayWithCapacity:count];
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for (NSInteger i = 0; i < count; i++) {
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[array addObject:f(self[i], i)];
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}
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return array;
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}
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- (NSArray *)tui_multimedia_filter:(BOOL (^)(id))f {
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NSMutableArray *array = [NSMutableArray arrayWithCapacity:self.count];
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for (id x in self) {
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if (f(x)) {
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[array addObject:x];
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}
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}
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return array;
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}
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+ (NSArray *)tui_multimedia_arrayWithArray:(NSArray *)array append:(NSArray *)append {
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NSMutableArray *res = [NSMutableArray arrayWithArray:array];
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for (id x in append) {
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[res addObject:x];
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}
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return res;
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}
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@end
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