103 lines
2.7 KiB
Mathematica
103 lines
2.7 KiB
Mathematica
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/*
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* Copyright [2019] [Doric.Pub]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//
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// Created by pengfei.zhou on 2019/10/23.
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//
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#import "DoricExtensions.h"
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@implementation NSObject (Doric)
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- (id)apply:(id (^)(id it))block {
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return block(self);
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}
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- (instancetype)also:(void (^)(id it))block {
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block(self);
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return self;
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}
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- (void)let:(void (^)(id it))block {
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block(self);
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}
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@end
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@implementation NSArray (Doric)
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- (void)forEachIndexed:(void (NS_NOESCAPE ^)(id obj, NSUInteger idx))block {
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[self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
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block(obj, idx);
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}];
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}
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- (NSArray *)mapIndexed:(id (NS_NOESCAPE ^)(id obj, NSUInteger idx))block {
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NSMutableArray *temp = [NSMutableArray new];
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[self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
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[temp addObject:block(obj, idx)];
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}];
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return [temp copy];
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}
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- (NSArray *)flatMapIndexed:(NSArray *(NS_NOESCAPE ^)(id obj, NSUInteger idx))block {
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NSMutableArray *temp = [NSMutableArray new];
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[self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
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[temp addObjectsFromArray:block(obj, idx)];
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}];
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return [temp copy];
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}
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- (NSArray *)filterIndexed:(BOOL (NS_NOESCAPE ^)(id obj, NSUInteger idx))block {
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NSMutableArray *temp = [NSMutableArray new];
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[self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
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if (block(obj, idx)) {
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[temp addObject:obj];
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}
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}];
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return [temp copy];
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}
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- (void)forEach:(void (NS_NOESCAPE ^)(id obj))block {
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for (id obj in self) {
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block(obj);
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}
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}
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- (NSArray *)map:(id (NS_NOESCAPE ^)(id obj))block {
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NSMutableArray *temp = [NSMutableArray new];
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for (id obj in self) {
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[temp addObject:block(obj)];
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}
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return [temp copy];
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}
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- (NSArray *)flatMap:(NSArray *(NS_NOESCAPE ^)(id obj))block {
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NSMutableArray *temp = [NSMutableArray new];
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for (id obj in self) {
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[temp addObjectsFromArray:block(obj)];
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}
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return [temp copy];
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}
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- (NSArray *)filter:(BOOL (NS_NOESCAPE ^)(id obj))block {
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NSMutableArray *temp = [NSMutableArray new];
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for (id obj in self) {
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if (block(obj)) {
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[temp addObject:obj];
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}
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}
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return [temp copy];
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}
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@end
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