From d0a4df8538400e908f57a8c80619df324a742ef9 Mon Sep 17 00:00:00 2001
From: Elivo <elivo@me.com>
Date: Thu, 19 Mar 2026 23:44:42 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=89=A9=E5=B1=95=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95=20item.In(array)?=
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---
 Apewer/CollectionUtility.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Apewer/CollectionUtility.cs b/Apewer/CollectionUtility.cs
index b074722..e809a2e 100644
--- a/Apewer/CollectionUtility.cs
+++ b/Apewer/CollectionUtility.cs
@@ -127,6 +127,12 @@ namespace Apewer
             }
         }
 
+        /// <summary>检查当前元素是否存在于集合。</summary>
+        public static bool In<T>(this T item, IEnumerable<T> collection) => Contains(collection, item);
+
+        /// <summary>检查当前元素是否存在于集合。</summary>
+        public static bool In<T>(this T item, params T[] collection) => Contains(collection, item);
+
         #endregion
 
         #region 类型转换