Closed Aprite closed 1 year ago
using System.Linq; public static class Enumerable
// 异常: // T:System.ArgumentNullException: // source or predicate is null. public static IEnumerable Where(this IEnumerable source, Func<TSource, bool> predicate);
using System.Linq; public static class Enumerable
// 异常: // T:System.ArgumentNullException: // source or predicate is null. public static IEnumerable Where(this IEnumerable source, Func<TSource, bool> predicate);