//############################################################ // https://github.com/yuzhengyang // author:yuzhengyang //############################################################ using System.Collections.Generic; using System.Linq; namespace Y.Utils.DataUtils.Collections { public sealed class ListTool { public static bool IsNullOrEmpty(List list) { if (list != null && list.Count() > 0) return false; return true; } public static bool IsNullOrEmpty(List list) { if (list != null && list.Count() > 0) return false; return true; } public static bool IsNullOrEmpty(IEnumerable list) { if (list != null && list.Count() > 0) return false; return true; } public static bool HasElements(IEnumerable list) { return !IsNullOrEmpty(list); } } }