From 2f586b9687e5c33d9d3b8eccfc309f65d2a9f4e9 Mon Sep 17 00:00:00 2001
From: Kevin Butler <haqkrs@gmail.com>
Date: Fri, 13 Feb 2015 07:33:44 +0000
Subject: Opt for .cloned() over .map(|x| x.clone()) etc.

---
 src/libsyntax/ext/deriving/generic/mod.rs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'src/libsyntax/ext/deriving')

diff --git a/src/libsyntax/ext/deriving/generic/mod.rs b/src/libsyntax/ext/deriving/generic/mod.rs
index f878cb5ca8b..8b4eaab386d 100644
--- a/src/libsyntax/ext/deriving/generic/mod.rs
+++ b/src/libsyntax/ext/deriving/generic/mod.rs
@@ -367,7 +367,7 @@ impl<'a> TraitDef<'a> {
                 "allow" | "warn" | "deny" | "forbid" => true,
                 _ => false,
             }
-        }).map(|a| a.clone()));
+        }).cloned());
         push(P(ast::Item {
             attrs: attrs,
             ..(*newitem).clone()
@@ -410,7 +410,7 @@ impl<'a> TraitDef<'a> {
         let mut ty_params = ty_params.into_vec();
 
         // Copy the lifetimes
-        lifetimes.extend(generics.lifetimes.iter().map(|l| (*l).clone()));
+        lifetimes.extend(generics.lifetimes.iter().cloned());
 
         // Create the type parameters.
         ty_params.extend(generics.ty_params.iter().map(|ty_param| {
@@ -445,14 +445,14 @@ impl<'a> TraitDef<'a> {
                         span: self.span,
                         bound_lifetimes: wb.bound_lifetimes.clone(),
                         bounded_ty: wb.bounded_ty.clone(),
-                        bounds: OwnedSlice::from_vec(wb.bounds.iter().map(|b| b.clone()).collect())
+                        bounds: OwnedSlice::from_vec(wb.bounds.iter().cloned().collect())
                     })
                 }
                 ast::WherePredicate::RegionPredicate(ref rb) => {
                     ast::WherePredicate::RegionPredicate(ast::WhereRegionPredicate {
                         span: self.span,
                         lifetime: rb.lifetime,
-                        bounds: rb.bounds.iter().map(|b| b.clone()).collect()
+                        bounds: rb.bounds.iter().cloned().collect()
                     })
                 }
                 ast::WherePredicate::EqPredicate(ref we) => {
@@ -500,7 +500,7 @@ impl<'a> TraitDef<'a> {
         let opt_trait_ref = Some(trait_ref);
         let ident = ast_util::impl_pretty_name(&opt_trait_ref, &*self_type);
         let mut a = vec![attr];
-        a.extend(self.attributes.iter().map(|a| a.clone()));
+        a.extend(self.attributes.iter().cloned());
         cx.item(
             self.span,
             ident,
-- 
cgit 1.4.1-3-g733a5