add must use to several hooks

packages/router/src/hooks/use_navigator.rs

@@ -48,6 +48,7 @@ use crate::prelude::{Navigator, RouterContext};
 /// # let mut vdom = VirtualDom::new(App);
 /// # let _ = vdom.rebuild();
 /// ```
+#[must_use]
 pub fn use_navigator(cx: &ScopeState) -> &Navigator {
     &*cx.use_hook(|| {
         let router = cx

packages/router/src/hooks/use_route.rs

@@ -46,6 +46,7 @@ use crate::utils::use_router_internal::use_router_internal;
 /// # let _ = vdom.rebuild();
 /// # assert_eq!(dioxus_ssr::render(&vdom), "<h1>App</h1><h2>Current Path</h2><p>/</p>")
 /// ```
+#[must_use]
 pub fn use_route<R: Routable + Clone>(cx: &ScopeState) -> Option<R> {
     match use_router_internal(cx) {
         Some(r) => Some(r.current()),

packages/router/src/hooks/use_router.rs

@@ -3,6 +3,7 @@ use dioxus::prelude::ScopeState;
 use crate::{prelude::RouterContext, utils::use_router_internal::use_router_internal};
 
 #[deprecated = "prefer the use_navigator or use_route functions"]
+#[must_use]
 /// A hook that provides access to information about the router.
 pub fn use_router(cx: &ScopeState) -> &RouterContext {
     use_router_internal(cx)