simpler vm

2024-04-01 17:21:55 -04:00
parent f9e6e164b0
commit 803f330e82
6 changed files with 246 additions and 317 deletions
--- a/internal/builtins/len.go
+++ b/internal/builtins/len.go
@@ -14,8 +14,14 @@ func Len(args ...object.Object) object.Object {
 		return newError(err.Error())
 	}

-	if size, ok := args[0].(object.Sizeable); ok {
-		return object.Integer{Value: int64(size.Len())}
+	switch obj := args[0].(type) {
+	case object.String:
+		return object.Integer{Value: int64(obj.Len())}
+	case *object.Array:
+		return object.Integer{Value: int64(obj.Len())}
+	case *object.Hash:
+		return object.Integer{Value: int64(obj.Len())}
+	default:
+		return newError("TypeError: object of type '%s' has no len()", args[0].Type())
 	}
-	return newError("TypeError: object of type '%s' has no len()", args[0].Type())
 }