From: Eh2406 <YeomanYaacov@gmail.com>
Date: Wed, 9 May 2018 17:20:25 +0000 (-0400)
Subject: use impl Trait
X-Git-Tag: archive/raspbian/0.35.0-2+rpi1~3^2^2^2^2^2^2^2~22^2^2~42^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=2e2945f8e21604f1440f43b5a8bf401b127a1769;p=cargo.git

use impl Trait
---

diff --git a/src/cargo/core/resolver/types.rs b/src/cargo/core/resolver/types.rs
index 543c72e7e..1190121da 100644
--- a/src/cargo/core/resolver/types.rs
+++ b/src/cargo/core/resolver/types.rs
@@ -206,13 +206,10 @@ impl DepsFrame {
             .unwrap_or(0)
     }
 
-    pub fn flatten<'s>(&'s self) -> Box<Iterator<Item = (&PackageId, Dependency)> + 's> {
-        // TODO: with impl Trait the Box can be removed
-        Box::new(
-            self.remaining_siblings
-                .clone()
-                .map(move |(_, (d, _, _))| (self.parent.package_id(), d)),
-        )
+    pub fn flatten<'s>(&'s self) -> impl Iterator<Item=(&PackageId, Dependency)> + 's {
+        self.remaining_siblings
+            .clone()
+            .map(move |(_, (d, _, _))| (self.parent.package_id(), d))
     }
 }