`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, 6 insertions, 6 deletions

diff --git a/src/libsyntax/attr.rs b/src/libsyntax/attr.rs
index 61ddd240abc..e5cd6f63690 100644
--- a/src/libsyntax/attr.rs
+++ b/src/libsyntax/attr.rs
@@ -490,7 +490,7 @@ fn find_stability_generic<'a,
 pub fn find_stability(diagnostic: &SpanHandler, attrs: &[Attribute],
                       item_sp: Span) -> Option<Stability> {
     let (s, used) = find_stability_generic(diagnostic, attrs.iter(), item_sp);
-    for used in used.into_iter() { mark_used(used) }
+    for used in used { mark_used(used) }
     return s;
 }
 
diff --git a/src/libsyntax/ext/concat.rs b/src/libsyntax/ext/concat.rs
index 39895a3946a..4e10cc9aacc 100644
--- a/src/libsyntax/ext/concat.rs
+++ b/src/libsyntax/ext/concat.rs
@@ -25,7 +25,7 @@ pub fn expand_syntax_ext(cx: &mut base::ExtCtxt,
         None => return base::DummyResult::expr(sp)
     };
     let mut accumulator = String::new();
-    for e in es.into_iter() {
+    for e in es {
         match e.node {
             ast::ExprLit(ref lit) => {
                 match lit.node {
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 8b4816f5d2b..2787339aac0 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -1420,11 +1420,11 @@ pub fn expand_crate(parse_sess: &parse::ParseSess,
     let mut cx = ExtCtxt::new(parse_sess, c.config.clone(), cfg);
     let mut expander = MacroExpander::new(&mut cx);
 
-    for def in imported_macros.into_iter() {
+    for def in imported_macros {
         expander.cx.insert_macro(def);
     }
 
-    for (name, extension) in user_exts.into_iter() {
+    for (name, extension) in user_exts {
         expander.cx.syntax_env.insert(name, extension);
     }
 
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index b7960d9e709..27fd803d3fe 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -5445,7 +5445,7 @@ impl<'a> Parser<'a> {
                     seq_sep_trailing_allowed(token::Comma),
                     |p| p.parse_ty_sum()
                 );
-                for ty in arg_tys.into_iter() {
+                for ty in arg_tys {
                     args.push(ast::VariantArg {
                         ty: ty,
                         id: ast::DUMMY_NODE_ID,
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index 21cd02b3851..5c42485f239 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -966,7 +966,7 @@ impl<'a> State<'a> {
                 try!(self.print_generics(generics));
                 let bounds: Vec<_> = bounds.iter().map(|b| b.clone()).collect();
                 let mut real_bounds = Vec::with_capacity(bounds.len());
-                for b in bounds.into_iter() {
+                for b in bounds {
                     if let TraitTyParamBound(ref ptr, ast::TraitBoundModifier::Maybe) = b {
                         try!(space(&mut self.s));
                         try!(self.word_space("for ?"));