Sprinkle some #[must_use] attributes

rossmacarthur · Jan 15, 2022 · 6305c51 · 6305c51
1 parent c149c11
commit 6305c51
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -281,12 +281,14 @@ macro_rules! setter {
         setter! { $name, Option<String<'a>> }
     };
     ($name:ident, Option<$ty:ty>) => {
+        #[must_use]
         pub fn $name(mut self, value: impl Into<$ty>) -> Self {
             self.$name = Some(value.into());
             self
         }
     };
     ($name:ident, $ty:ty) => {
+        #[must_use]
         pub fn $name(mut self, value: impl Into<$ty>) -> Self {
             self.$name = value.into();
             self
@@ -340,13 +342,15 @@ impl<'a> Item<'a> {
     setter! { text, Option<Text<'a>> }
     setter! { quicklook_url }
 
+    #[must_use]
     pub fn modifier(mut self, key: ModifierKey, data: ModifierData<'a>) -> Self {
         self.modifiers.insert(key, data);
         self
     }
 }
 
 impl<'a> Output<'a> {
+    #[must_use]
     pub fn items<I>(mut self, iter: I) -> Self
     where
         I: IntoIterator<Item = Item<'a>>,