`for x in xs.into_iter()` -> `for x in xs`

Also `for x in option.into_iter()` -> `if let Some(x) = option`

5 files changed, 5 insertions, 5 deletions

diff --git a/src/libstd/old_io/fs.rs b/src/libstd/old_io/fs.rs
index 142f723ef71..e1006f23996 100644
--- a/src/libstd/old_io/fs.rs
+++ b/src/libstd/old_io/fs.rs
@@ -649,7 +649,7 @@ pub fn rmdir_recursive(path: &Path) -> IoResult<()> {
 
         // delete all regular files in the way and push subdirs
         // on the stack
-        for child in children.into_iter() {
+        for child in children {
             // FIXME(#12795) we should use lstat in all cases
             let child_type = match cfg!(windows) {
                 true => try!(update_err(stat(&child), path)),
diff --git a/src/libstd/old_io/net/mod.rs b/src/libstd/old_io/net/mod.rs
index d8394aa8b6a..bbe3a71dcc0 100644
--- a/src/libstd/old_io/net/mod.rs
+++ b/src/libstd/old_io/net/mod.rs
@@ -36,7 +36,7 @@ fn with_addresses<A, T, F>(addr: A, mut action: F) -> IoResult<T> where
 
     let addresses = try!(addr.to_socket_addr_all());
     let mut err = DEFAULT_ERROR;
-    for addr in addresses.into_iter() {
+    for addr in addresses {
         match action(addr) {
             Ok(r) => return Ok(r),
             Err(e) => err = e
diff --git a/src/libstd/rt/at_exit_imp.rs b/src/libstd/rt/at_exit_imp.rs
index 5823f8453d8..3f15cf71ec3 100644
--- a/src/libstd/rt/at_exit_imp.rs
+++ b/src/libstd/rt/at_exit_imp.rs
@@ -58,7 +58,7 @@ pub fn cleanup() {
         // If we never called init, not need to cleanup!
         if queue as uint != 0 {
             let queue: Box<Queue> = mem::transmute(queue);
-            for to_run in queue.into_iter() {
+            for to_run in *queue {
                 to_run.invoke(());
             }
         }
diff --git a/src/libstd/sync/rwlock.rs b/src/libstd/sync/rwlock.rs
index 95b570dd9c8..2dfc708e15b 100644
--- a/src/libstd/sync/rwlock.rs
+++ b/src/libstd/sync/rwlock.rs
@@ -508,7 +508,7 @@ mod tests {
         }
 
         // Wait for children to pass their asserts
-        for r in children.into_iter() {
+        for r in children {
             assert!(r.join().is_ok());
         }
 
diff --git a/src/libstd/sys/windows/process.rs b/src/libstd/sys/windows/process.rs
index a0a0c08ed09..58797111a20 100644
--- a/src/libstd/sys/windows/process.rs
+++ b/src/libstd/sys/windows/process.rs
@@ -147,7 +147,7 @@ impl Process {
 
                 // Split the value and test each path to see if the
                 // program exists.
-                for path in os::split_paths(v.container_as_bytes()).into_iter() {
+                for path in os::split_paths(v.container_as_bytes()) {
                     let path = path.join(cfg.program().as_bytes())
                                    .with_extension(os::consts::EXE_EXTENSION);
                     if path.exists() {