Replace `0 as *const/mut T` with `ptr::null/null_mut()`

[rust.git] / src / libstd / sys / common / helper_thread.rs

diff --git a/src/libstd/sys/common/helper_thread.rs b/src/libstd/sys/common/helper_thread.rs
index f940b6ed3682e5253257d5fbd433cfc5e894b4a0..6f6179a436e914c3c77de9384be7e6b41799ea02 100644 (file)
--- a/src/libstd/sys/common/helper_thread.rs
+++ b/src/libstd/sys/common/helper_thread.rs
@@ -24,6 +24,7 @@
 
 use cell::UnsafeCell;
 use mem;
+use ptr;
 use rt;
 use sync::{StaticMutex, StaticCondvar};
 use sync::mpsc::{channel, Sender, Receiver};
@@ -132,7 +133,7 @@ fn shutdown(&'static self) {
 
             // Close the channel by destroying it
             let chan: Box<Sender<M>> = mem::transmute(*self.chan.get());
-            *self.chan.get() = 0 as *mut Sender<M>;
+            *self.chan.get() = ptr::null_mut();
             drop(chan);
             helper_signal::signal(*self.signal.get() as helper_signal::signal);