Create CollectionLengthMethod.cs

Author: Elektryk-Andrzej

MethodSystem/Methods/CollectionVariableMethods/CollectionLengthMethod.cs

@@ -0,0 +1,21 @@
+using SER.ArgumentSystem.Arguments;
+using SER.ArgumentSystem.BaseArguments;
+using SER.MethodSystem.BaseMethods;
+using SER.ValueSystem;
+
+namespace SER.MethodSystem.Methods.CollectionVariableMethods;
+
+public class CollectionLengthMethod : ReturningMethod<NumberValue>
+{
+    public override string? Description => "Returns the amount of items in a collection.";
+
+    public override Argument[] ExpectedArguments =>
+    [
+        new CollectionArgument("collection")
+    ];
+    
+    public override void Execute()
+    {
+        ReturnValue = Args.GetCollection("collection").CastedValues.Length;
+    }
+}