From 7b75cda2539755b684dfb74a93f87f8b09e3e3d6 Mon Sep 17 00:00:00 2001
From: Andrew Johnson <andrewjohnson@Andrews-MacBook-Pro.local>
Date: Mon, 21 May 2018 18:34:41 -0600
Subject: [PATCH] p

---
 Chapter09/performance_profiling2.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Chapter09/performance_profiling2.rs b/Chapter09/performance_profiling2.rs
index f79c691..b0ca79e 100644
--- a/Chapter09/performance_profiling2.rs
+++ b/Chapter09/performance_profiling2.rs
@@ -1,2 +1,24 @@
+use std::{thread,time};
+
+fn initialization() -> Vec<i32> {
+   let t = time::Duration::from_millis(15000);
+   thread::sleep(t);
+   println!("Initialize data.");
+   vec![1, 2, 3]
+}
+
+fn work(x: i32) -> i32 {
+   let t = time::Duration::from_millis(150);
+   thread::sleep(t);
+   println!("Work.");
+   x * x
+}
+
 fn main() {
+
+   for _ in 0..10 {
+      let data = initialization();
+      data.iter().map(|x| work(*x)).for_each(drop);
+   }
+   
 }