Removed warning of rustc 1.7.0 complaining about deprecated usage of std::thread...

Now std::thread::sleep is used together with std::time::Duration::from_millis.

diff --git a/workspace/src/part15.rs b/workspace/src/part15.rs
index 1a6873e2009931dfeeba396768646e1f8cafb961..6982579bad7b7570e158679e6af04f928c8594c8 100644 (file)
--- a/workspace/src/part15.rs
+++ b/workspace/src/part15.rs
@@ -3,6 +3,7 @@
 
 use std::sync::{Arc, Mutex};
 use std::thread;
+use std::time::Duration;
 
 
 // The derived `Clone` implementation will clone the `Arc`, so all clones will actually talk about the same counter.
@@ -36,7 +37,7 @@ pub fn main() {
     let counter1 = counter.clone();
     let handle1 = thread::spawn(move || {
         for _ in 0..10 {
-            thread::sleep_ms(15);
+            thread::sleep(Duration::from_millis(15));
             counter1.increment(2);
         }
     });
@@ -45,14 +46,14 @@ pub fn main() {
     let counter2 = counter.clone();
     let handle2 = thread::spawn(move || {
         for _ in 0..10 {
-            thread::sleep_ms(20);
+            thread::sleep(Duration::from_millis(20));
             counter2.increment(3);
         }
     });
 
     // Now we watch the threads working on the counter.
     for _ in 0..50 {
-        thread::sleep_ms(5);
+        thread::sleep(Duration::from_millis(5));
         println!("Current value: {}", counter.get());
     }