From 998fececd6516fa07d0cd0a0c4607ddef0bc40f0 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Mon, 6 May 2013 00:42:54 -0400
Subject: Stop using the '<->' operator

---
 src/libstd/workcache.rs | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'src/libstd/workcache.rs')

diff --git a/src/libstd/workcache.rs b/src/libstd/workcache.rs
index 9b0a6cb6226..a9e4ec50c7c 100644
--- a/src/libstd/workcache.rs
+++ b/src/libstd/workcache.rs
@@ -22,6 +22,7 @@ use core::io;
 use core::pipes::recv;
 use core::run;
 use core::to_bytes;
+use core::util::replace;
 
 /**
 *
@@ -352,9 +353,7 @@ impl TPrep for Prep {
 
             _ => {
                 let (port, chan) = oneshot();
-                let mut blk = None;
-                blk <-> bo;
-                let blk = blk.unwrap();
+                let blk = replace(&mut bo, None).unwrap();
                 let chan = Cell(chan);
 
                 do task::spawn {
@@ -386,9 +385,7 @@ fn unwrap<T:Owned +
             Decodable<json::Decoder>>( // FIXME(#5121)
         w: Work<T>) -> T {
     let mut ww = w;
-    let mut s = None;
-
-    ww.res <-> s;
+    let s = replace(&mut ww.res, None);
 
     match s {
         None => fail!(),
-- 
cgit 1.4.1-3-g733a5