From 7610feb82a386d1637c60a05d6c64b6c4c459bb6 Mon Sep 17 00:00:00 2001
From: "Felix S. Klock II" <pnkfelix@pnkfx.org>
Date: Sat, 7 Feb 2015 13:16:09 +0100
Subject: [PATCH] remove closure `&mut:`/`&:` annotations.

---
 src/librustc/middle/infer/region_inference/graphviz.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/librustc/middle/infer/region_inference/graphviz.rs b/src/librustc/middle/infer/region_inference/graphviz.rs
index 88db1000acc..362919755c3 100644
--- a/src/librustc/middle/infer/region_inference/graphviz.rs
+++ b/src/librustc/middle/infer/region_inference/graphviz.rs
@@ -154,7 +154,7 @@ impl<'a, 'tcx> ConstraintGraph<'a, 'tcx> {
                 add_node(n2);
             }
 
-            tcx.region_maps.each_encl_scope(|&mut: sub, sup| {
+            tcx.region_maps.each_encl_scope(|sub, sup| {
                 add_node(Node::Region(ty::ReScope(*sub)));
                 add_node(Node::Region(ty::ReScope(*sup)));
             });
@@ -176,7 +176,7 @@ impl<'a, 'tcx> dot::Labeller<'a, Node, Edge> for ConstraintGraph<'a, 'tcx> {
             Some(node_id) => node_id,
             None => panic!("no node_id found for node: {:?}", n),
         };
-        let name = |&:| format!("node_{}", node_id);
+        let name = || format!("node_{}", node_id);
         match dot::Id::new(name()) {
             Ok(id) => id,
             Err(_) => {
@@ -234,7 +234,7 @@ impl<'a, 'tcx> dot::GraphWalk<'a, Node, Edge> for ConstraintGraph<'a, 'tcx> {
     fn edges(&self) -> dot::Edges<Edge> {
         debug!("constraint graph has {} edges", self.map.len());
         let mut v : Vec<_> = self.map.keys().map(|e| Edge::Constraint(*e)).collect();
-        self.tcx.region_maps.each_encl_scope(|&mut: sub, sup| {
+        self.tcx.region_maps.each_encl_scope(|sub, sup| {
             v.push(Edge::EnclScope(*sub, *sup))
         });
         debug!("region graph has {} edges", v.len());