For loops!

benchmark/for.wren

@@ -0,0 +1,17 @@
+var list = []
+
+{
+  var i = 0
+  while (i < 2000000) {
+    list.add(i)
+    i = i + 1
+  }
+}
+
+var start = OS.clock
+var sum = 0
+for (i in list) {
+  sum = sum + i
+}
+IO.write(sum)
+IO.write("elapsed: " + (OS.clock - start).toString)