add must use to several hooks

packages/fermi/src/callback.rs

@@ -28,6 +28,7 @@ impl CallbackApi {
     }
 }
 
+#[must_use]
 pub fn use_atom_context(cx: &ScopeState) -> &CallbackApi {
     todo!()
 }

packages/fermi/src/hooks/atom_ref.rs

@@ -13,6 +13,7 @@ use std::{
 ///
 ///
 ///
+#[must_use]
 pub fn use_atom_ref<'a, T: 'static>(
     cx: &'a ScopeState,
     atom: &'static AtomRef<T>,

packages/fermi/src/hooks/read.rs

@@ -2,10 +2,12 @@ use crate::{use_atom_root, AtomId, AtomRoot, Readable};
 use dioxus_core::{ScopeId, ScopeState};
 use std::rc::Rc;
 
+#[must_use]
 pub fn use_read<V: 'static>(cx: &ScopeState, f: impl Readable<V>) -> &V {
     use_read_rc(cx, f).as_ref()
 }
 
+#[must_use]
 pub fn use_read_rc<V: 'static>(cx: &ScopeState, f: impl Readable<V>) -> &Rc<V> {
     let root = use_atom_root(cx);
 

packages/fermi/src/hooks/set.rs

@@ -2,6 +2,7 @@ use crate::{use_atom_root, Writable};
 use dioxus_core::ScopeState;
 use std::rc::Rc;
 
+#[must_use]
 pub fn use_set<T: 'static>(cx: &ScopeState, f: impl Writable<T>) -> &Rc<dyn Fn(T)> {
     let root = use_atom_root(cx);
     cx.use_hook(|| {

packages/fermi/src/hooks/state.rs

@@ -30,6 +30,7 @@ use std::{
 ///     ))
 /// }
 /// ```
+#[must_use]
 pub fn use_atom_state<T: 'static>(cx: &ScopeState, f: impl Writable<T>) -> &AtomState<T> {
     let root = crate::use_atom_root(cx);