Return zero when computing distance of Option with both value is none.

servo · Jun 14, 2017 · 95b272d · 95b272d
1 parent 849bdc9
commit 95b272d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/components/style/properties/helpers/animated_properties.mako.rs b/components/style/properties/helpers/animated_properties.mako.rs
@@ -853,6 +853,7 @@ impl <T> Animatable for Option<T>
             (&Some(ref this), &Some(ref other)) => {
                 this.compute_squared_distance(other)
             },
+            (&None, &None) => Ok(0.0),
             _ => Err(()),
         }
     }