From: Eh2406 <YeomanYaacov@gmail.com>
Date: Fri, 6 Apr 2018 16:38:41 +0000 (-0400)
Subject: use make_mut for cleaner code
X-Git-Tag: archive/raspbian/0.35.0-2+rpi1~3^2^2^2^2^2^2^2~22^2~1^2~93^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=04fbc5f6e8d4b2ff5de1fb3d58dbccda9fcc8aff;p=cargo.git

use make_mut for cleaner code
---

diff --git a/src/cargo/core/resolver/context.rs b/src/cargo/core/resolver/context.rs
index f132463e3..2c2281d61 100644
--- a/src/cargo/core/resolver/context.rs
+++ b/src/cargo/core/resolver/context.rs
@@ -68,9 +68,7 @@ impl Context {
                     &*link
                 );
             }
-            let mut inner: Vec<_> = (**prev).clone();
-            inner.push(summary.clone());
-            *prev = Rc::new(inner);
+            Rc::make_mut(prev).push(summary.clone());
             return Ok(false);
         }
         debug!("checking if {} is already activated", summary.package_id());
@@ -246,15 +244,13 @@ impl Context {
         if !reqs.used.is_empty() {
             let pkgid = s.package_id();
 
-            let set = self.resolve_features
+            let set = Rc::make_mut(self.resolve_features
                 .entry(pkgid.clone())
-                .or_insert_with(|| Rc::new(HashSet::new()));
+                .or_insert_with(|| Rc::new(HashSet::new())));
 
-            let mut inner: HashSet<_> = (**set).clone();
             for feature in reqs.used {
-                inner.insert(InternedString::new(feature));
+                set.insert(InternedString::new(feature));
             }
-            *set = Rc::new(inner);
         }
 
         Ok(ret)