System.timeMillis method

stdlib/ktSrc/System.kt

@@ -0,0 +1,10 @@
+namespace std.util
+
+/**
+Executes current block and returns elapsed time in milliseconds
+*/
+fun millisTime(block: fun() : Unit) : Long {
+    val start = System.currentTimeMillis()
+    block()
+    return System.currentTimeMillis() - start
+}