Data commit

Task/Rate-counter/D/rate-counter.d

@@ -0,0 +1,20 @@
+import std.stdio;
+import std.conv;
+import std.datetime.stopwatch;
+
+int a;
+void f0() {}
+void f1() { auto b = a; }
+void f2() { auto b = to!string(a); }
+
+	
+void main()
+{
+  auto r = benchmark!(f0, f1, f2)(10_000);
+
+  writeln("Time fx took to run 10,000 times:\n");
+  writeln("f0: ", r[0]);
+  writeln("f1: ", r[1]);
+  writeln("f2: ", r[2]);
+	
+}