Add ListExtensions.cs

Assets/BetterExtensions/Editor/BetterExtensions.Editor.asmdef

@@ -2,6 +2,7 @@
     "name": "BetterExtensions.Editor",
     "rootNamespace": "Better.Extensions.EditorAddons",
     "references": [
+        "GUID:6adbd2a12d24f5d429f7ea1b1086e835",
         "GUID:01df13aca8d01e24a911bcc3e8277031",
         "GUID:28da8d3b12e3efa47928e0c9070f853d"
     ],

Assets/BetterExtensions/Runtime/Extensions/ListExtensions.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+
+namespace Better.Extensions.Runtime
+{
+    public static class ListExtensions
+    {
+        public static bool RemoveRange<T>(this List<T> self, IEnumerable<T> range)
+        {
+            if (self == null)
+            {
+                DebugUtility.LogException<ArgumentNullException>(nameof(self));
+                return false;
+            }
+
+            if (range == null)
+            {
+                DebugUtility.LogException<ArgumentNullException>(nameof(range));
+                return false;
+            }
+
+            var anyRemoved = false;
+            foreach (var item in range)
+            {
+                if (self.Remove(item))
+                {
+                    anyRemoved = true;
+                }
+            }
+
+            return anyRemoved;
+        }
+
+        public static void AddRangeDistinct<T>(this List<T> self, IEnumerable<T> range)
+        {
+            if (self == null)
+            {
+                DebugUtility.LogException<ArgumentNullException>(nameof(self));
+                return;
+            }
+
+            if (range == null)
+            {
+                DebugUtility.LogException<ArgumentNullException>(nameof(range));
+                return;
+            }
+
+            foreach (var item in range)
+            {
+                if (self.Contains(item)) continue;
+                self.Add(item);
+            }
+        }
+
+        public static bool TrimToCount<T>(this List<T> self, int count)
+        {
+            if (self == null)
+            {
+                DebugUtility.LogException<ArgumentNullException>(nameof(self));
+                return false;
+            }
+
+            count = Math.Max(count, 0);
+
+            if (self.Count > count)
+            {
+                var difference = self.Count - count;
+                self.RemoveRange(count, difference);
+                return true;
+            }
+
+            return false;
+        }
+    }
+}

Assets/BetterExtensions/package.json

@@ -1,7 +1,7 @@
 {
   "name": "com.uurha.betterextensions",
   "displayName": "Better Extensions",
-  "version": "1.5.95",
+  "version": "1.5.96",
   "unity": "2021.3",
   "description": "Unity extensions, serialize extension, async extension, string extension and UI extensions",
   "dependencies": {