From 85c67b5544526823f7955e6161878333bf3a0454 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Crozet?= <developer@crozet.re>
Date: Fri, 31 Jan 2014 15:26:25 +0100
Subject: [PATCH] Activate the unused_results lint.

---
 src/lib.rs                | 1 +
 src/structs/dvec.rs       | 2 +-
 src/structs/vec_macros.rs | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 4cec25c4..38c0f408 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -102,6 +102,7 @@ Feel free to add your project to this list if you happen to use **nalgebra**!
 #[deny(unnecessary_parens)];
 #[deny(non_uppercase_statics)];
 #[deny(unnecessary_qualification)];
+#[deny(unused_result)];
 #[warn(missing_doc)];
 #[feature(macro_rules)];
 #[doc(html_root_url = "http://www.rust-ci.org/sebcrozet/nalgebra/doc")];
diff --git a/src/structs/dvec.rs b/src/structs/dvec.rs
index edbfa701..802cfa9d 100644
--- a/src/structs/dvec.rs
+++ b/src/structs/dvec.rs
@@ -299,7 +299,7 @@ impl<N: Num + Real + Clone> Norm<N> for DVec<N> {
     fn normalize_cpy(v: &DVec<N>) -> DVec<N> {
         let mut res : DVec<N> = v.clone();
 
-        res.normalize();
+        let _ = res.normalize();
 
         res
     }
diff --git a/src/structs/vec_macros.rs b/src/structs/vec_macros.rs
index 488997be..9c105265 100644
--- a/src/structs/vec_macros.rs
+++ b/src/structs/vec_macros.rs
@@ -448,7 +448,7 @@ macro_rules! norm_impl(
             fn normalize_cpy(v: &$t<N>) -> $t<N> {
                 let mut res : $t<N> = v.clone();
 
-                res.normalize();
+                let _ = res.normalize();
 
                 res
             }