refactor(ecs): fix clippy lints

1 files changed, 2 insertions, 1 deletions

diff --git a/ecs/src/component.rs b/ecs/src/component.rs
index e1f2858..513b31a 100644
--- a/ecs/src/component.rs
+++ b/ecs/src/component.rs
@@ -3,10 +3,10 @@ use std::fmt::Debug;
 
 use seq_macro::seq;
 
-use crate::uid::Uid;
 use crate::lock::{ReadGuard, WriteGuard};
 use crate::system::{ComponentRef, ComponentRefMut, Input as SystemInput};
 use crate::type_name::TypeName;
+use crate::uid::Uid;
 use crate::{EntityComponent, World};
 
 pub mod local;
@@ -50,6 +50,7 @@ pub trait Component: SystemInput + Any + TypeName
     }
 
     /// Returns whether this component is optional.
+    #[must_use]
     fn is_optional() -> IsOptional
     where
         Self: Sized,