using System.Collections.Generic;
using System.Linq;
namespace System
{
/// <summary>扩展List,支持遍历中修改元素</summary>
public static class ListExtension
{
/// <summary>线程安全,搜索并返回第一个,支持遍历中修改元素</summary>
/// <param name="list">实体列表</param>
/// <param name="match">条件</param>
/// <returns></returns>
public static T Find<T>(this IList<T> list, Predicate<T> match)
{
if (list is List<T> list2) return list2.Find(match);
return list.ToArray().FirstOrDefault(e => match(e));
}
/// <summary>线程安全,搜索并返回第一个,支持遍历中修改元素</summary>
/// <param name="list">实体列表</param>
/// <param name="match">条件</param>
/// <returns></returns>
public static IList<T> FindAll<T>(this IList<T> list, Predicate<T> match)
{
if (list is List<T> list2) return list2.FindAll(match);
return list.ToArray().Where(e => match(e)).ToList();
}
}
}
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