Merge branch 'master' of http://mobile.secondworld.net.cn:10010/r/Project_S...

hch

2026-01-06 0d8a95ee4ec66c17ba9c60c8671d6d6e58f4d202

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using System;
using System.Collections.Generic;
 
public static class CollectionExtensions
{
    public static bool Contains<T>(this T[] source, T value)
    {
        return Array.IndexOf(source, value) != -1;
    }
 
}