libstd: use unboxed closures

2 files changed, 8 insertions, 5 deletions

diff --git a/src/libstd/sys/unix/mod.rs b/src/libstd/sys/unix/mod.rs
index 4effedbe3ab..107263c31a7 100644
--- a/src/libstd/sys/unix/mod.rs
+++ b/src/libstd/sys/unix/mod.rs
@@ -125,7 +125,10 @@ pub fn decode_error_detailed(errno: i32) -> IoError {
 }
 
 #[inline]
-pub fn retry<T: SignedInt> (f: || -> T) -> T {
+pub fn retry<T, F> (mut f: F) -> T where
+    T: SignedInt,
+    F: FnMut() -> T,
+{
     let one: T = Int::one();
     loop {
         let n = f();
diff --git a/src/libstd/sys/unix/pipe.rs b/src/libstd/sys/unix/pipe.rs
index 08e6f7059d8..26fd410a7a9 100644
--- a/src/libstd/sys/unix/pipe.rs
+++ b/src/libstd/sys/unix/pipe.rs
@@ -149,8 +149,8 @@ impl UnixStream {
 
     pub fn read(&mut self, buf: &mut [u8]) -> IoResult<uint> {
         let fd = self.fd();
-        let dolock = || self.lock_nonblocking();
-        let doread = |nb| unsafe {
+        let dolock = |&:| self.lock_nonblocking();
+        let doread = |&mut: nb| unsafe {
             let flags = if nb {c::MSG_DONTWAIT} else {0};
             libc::recv(fd,
                        buf.as_mut_ptr() as *mut libc::c_void,
@@ -162,8 +162,8 @@ impl UnixStream {
 
     pub fn write(&mut self, buf: &[u8]) -> IoResult<()> {
         let fd = self.fd();
-        let dolock = || self.lock_nonblocking();
-        let dowrite = |nb: bool, buf: *const u8, len: uint| unsafe {
+        let dolock = |&: | self.lock_nonblocking();
+        let dowrite = |&: nb: bool, buf: *const u8, len: uint| unsafe {
             let flags = if nb {c::MSG_DONTWAIT} else {0};
             libc::send(fd,
                        buf as *const _,