三国卡牌客户端基础资源仓库
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4 天以前 cdac25a8e4f91a4663bf5f80994538dd263b757c
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using Cysharp.Threading.Tasks.Internal;
using System.Collections.Generic;
 
namespace Cysharp.Threading.Tasks.Linq
{
    public static partial class UniTaskAsyncEnumerable
    {
        public static IUniTaskAsyncEnumerable<TSource> Union<TSource>(this IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second)
        {
            Error.ThrowArgumentNullException(first, nameof(first));
            Error.ThrowArgumentNullException(second, nameof(second));
 
            return Union<TSource>(first, second, EqualityComparer<TSource>.Default);
        }
 
        public static IUniTaskAsyncEnumerable<TSource> Union<TSource>(this IUniTaskAsyncEnumerable<TSource> first, IUniTaskAsyncEnumerable<TSource> second, IEqualityComparer<TSource> comparer)
        {
            Error.ThrowArgumentNullException(first, nameof(first));
            Error.ThrowArgumentNullException(second, nameof(second));
            Error.ThrowArgumentNullException(comparer, nameof(comparer));
 
            // improv without combinate?
            return first.Concat(second).Distinct(comparer);
        }
    }
}