style: Use map_or instead of map(..) == Some(false).

servo · Oct 4, 2017 · c4dbbf0 · c4dbbf0
1 parent 583d89a
commit c4dbbf0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/components/style/custom_properties.rs b/components/style/custom_properties.rs
@@ -607,7 +607,7 @@ fn substitute_one(
     if invalid.contains(name) {
         return Err(());
     }
-    let computed_value = if specified_value.references.map(|set| set.is_empty()) == Some(false) {
+    let computed_value = if specified_value.references.map_or(false, |set| !set.is_empty()) {
         let mut partial_computed_value = ComputedValue::empty();
         let mut input = ParserInput::new(&specified_value.css);
         let mut input = Parser::new(&mut input);