Auto merge of #21677 - japaric:no-range, r=alexcrichton

Note: Do not merge until we get a newer snapshot that includes #21374

There was some type inference fallout (see 4th commit) because type inference with `a..b` is not as good as with `range(a, b)` (see #21672).

r? @alexcrichton 

1 files changed, 3 insertions, 3 deletions

diff --git a/src/libstd/sync/mpsc/mpsc_queue.rs b/src/libstd/sync/mpsc/mpsc_queue.rs
index c222c313ba6..53eba131674 100644
--- a/src/libstd/sync/mpsc/mpsc_queue.rs
+++ b/src/libstd/sync/mpsc/mpsc_queue.rs
@@ -181,11 +181,11 @@ mod tests {
         let (tx, rx) = channel();
         let q = Arc::new(q);
 
-        for _ in range(0, nthreads) {
+        for _ in 0..nthreads {
             let tx = tx.clone();
             let q = q.clone();
             Thread::spawn(move|| {
-                for i in range(0, nmsgs) {
+                for i in 0..nmsgs {
                     q.push(i);
                 }
                 tx.send(()).unwrap();
@@ -200,7 +200,7 @@ mod tests {
             }
         }
         drop(tx);
-        for _ in range(0, nthreads) {
+        for _ in 0..nthreads {
             rx.recv().unwrap();
         }
     }