mirror of
https://github.com/GeWuYou/GFramework.git
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5318f5a38f
- 将原有的 PipeExtensions.cs 文件拆分为多个专门的功能模块 - 新增 ControlExtensions.cs 专门处理控制流扩展方法 - 新增 EnumerableExtensions.cs 专门处理集合相关扩展方法 - 新增 FunctionExtensions.cs 专门处理函数式编程核心功能 - 新增 TypeExtensions.cs 专门处理类型转换相关扩展方法 - 移除 PipeExtensions.cs 中的集合操作、函数式核心功能和控制流方法 - 保留 PipeExtensions.cs 中的管道操作相关核心方法 - 优化代码组织结构提升可维护性和可读性
60 lines
2.5 KiB
C#
60 lines
2.5 KiB
C#
// Copyright (c) 2025 GeWuYou
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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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namespace GFramework.Core.functional.collections;
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/// <summary>
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/// 提供集合的函数式编程扩展方法
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/// </summary>
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public static class EnumerableExtensions
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{
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/// <summary>
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/// Map：对集合中的每个元素应用函数
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/// </summary>
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/// <typeparam name="TSource">源集合元素的类型</typeparam>
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/// <typeparam name="TResult">映射后集合元素的类型</typeparam>
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/// <param name="source">要映射的源集合</param>
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/// <param name="selector">用于转换元素的函数</param>
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/// <returns>映射后的元素序列</returns>
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public static IEnumerable<TResult> Map<TSource, TResult>(
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this IEnumerable<TSource> source,
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Func<TSource, TResult> selector)
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=> source.Select(selector);
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/// <summary>
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/// Filter：过滤集合
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/// </summary>
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/// <typeparam name="TSource">集合元素的类型</typeparam>
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/// <param name="source">要过滤的源集合</param>
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/// <param name="predicate">用于确定是否包含元素的条件函数</param>
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/// <returns>满足条件的元素序列</returns>
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public static IEnumerable<TSource> Filter<TSource>(
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this IEnumerable<TSource> source,
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Func<TSource, bool> predicate)
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=> source.Where(predicate);
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/// <summary>
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/// Reduce：将集合归约为单个值
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/// </summary>
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/// <typeparam name="TSource">集合元素的类型</typeparam>
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/// <typeparam name="TResult">归约结果的类型</typeparam>
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/// <param name="source">要归约的源集合</param>
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/// <param name="seed">初始累加值</param>
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/// <param name="accumulator">累加器函数</param>
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/// <returns>归约后的最终值</returns>
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public static TResult Reduce<TSource, TResult>(
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this IEnumerable<TSource> source,
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TResult seed,
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Func<TResult, TSource, TResult> accumulator)
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=> source.Aggregate(seed, accumulator);
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}
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