remove global

benchmarks/montecarlo.ce

@@ -2,11 +2,11 @@ var math = use('math/radians')
 var N = 1000000;
 var num = 0;
 for (var i = 0; i < N; i ++) {
-  var x = 2 * $_.random();
-  var y = $_.random();
+  var x = 2 * $random();
+  var y = $random();
   if (y < math.sine(x * x))
     num++;
 }
 log.console(2 * num / N);
 
-$_.stop()
+$stop()