Conver reborrows to .iter() calls where appropriate

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libgraphviz/lib.rs b/src/libgraphviz/lib.rs
index afd796f7771..f6c5d66f55c 100644
--- a/src/libgraphviz/lib.rs
+++ b/src/libgraphviz/lib.rs
@@ -558,7 +558,7 @@ pub fn render_opts<'a, N:Clone+'a, E:Clone+'a, G:Labeller<'a,N,E>+GraphWalk<'a,N
     }
 
     try!(writeln(w, &["digraph ", g.graph_id().as_slice(), " {"]));
-    for n in &*g.nodes() {
+    for n in g.nodes().iter() {
         try!(indent(w));
         let id = g.node_id(n);
         if options.contains(&RenderOption::NoNodeLabels) {
@@ -570,7 +570,7 @@ pub fn render_opts<'a, N:Clone+'a, E:Clone+'a, G:Labeller<'a,N,E>+GraphWalk<'a,N
         }
     }
 
-    for e in &*g.edges() {
+    for e in g.edges().iter() {
         let escaped_label = g.edge_label(e).escape();
         try!(indent(w));
         let source = g.source(e);