📝 update docs

std/runtime.nas

@@ -1,13 +1,29 @@
-# runtime.nas
-# 2023 by ValKmjolnir
-# runtime gives us some functions that we could manage it manually.
-
-# command line arguments
-var argv = func() {
-    return globals.arg;
-}
-
-var gc = {
-    extend: func(type) {return __gcextd;},
-    info: func() {return __gcinfo;}
-};
+# runtime.nas
+# 2023 by ValKmjolnir
+# runtime gives us some functions that we could manage it manually.
+
+# command line arguments
+var argv = func() {
+    return globals.arg;
+}
+
+var _gc_extend = func(type) {
+    return __gcextd;
+}
+
+var gc = {
+    extend: func(type, times = 1) {
+        if (times<=0) {
+            return nil;
+        }
+        if (times>16) {
+            times = 16;
+        }
+
+        for(var i = 0; i<times; i+=1) {
+            _gc_extend(type);
+        }
+        return nil;
+    },
+    info: func() {return __gcinfo;}
+};