wip: examples

packages/hooks/src/lib.rs

@@ -1,2 +1,5 @@
 mod usestate;
-pub use usestate::use_state;
+pub use usestate::{use_state, AsyncUseState, UseState};
+
+mod useref;
+pub use useref::*;

packages/hooks/src/useref.rs

@@ -0,0 +1,38 @@
+use std::cell::{Ref, RefCell, RefMut};
+
+use dioxus_core::Context;
+
+pub struct UseRef<'a, T> {
+    inner: &'a RefCell<T>,
+}
+
+impl<'a, T> UseRef<'a, T> {
+    pub fn read(&self) -> Ref<'_, T> {
+        self.inner.borrow()
+    }
+
+    pub fn read_write(&self) -> (Ref<'_, T>, &Self) {
+        (self.read(), self)
+    }
+
+    /// Calling "write" will force the component to re-render
+    pub fn write(&self) -> RefMut<'_, T> {
+        self.inner.borrow_mut()
+    }
+
+    /// Allows the ability to write the value without forcing a re-render
+    pub fn write_silent(&self) -> RefMut<'_, T> {
+        self.inner.borrow_mut()
+    }
+}
+
+impl<T> Clone for UseRef<'_, T> {
+    fn clone(&self) -> Self {
+        Self { inner: self.inner }
+    }
+}
+impl<T> Copy for UseRef<'_, T> {}
+
+pub fn use_ref<P, T: 'static>(cx: Context<P>, f: impl FnOnce() -> T) -> UseRef<T> {
+    cx.use_hook(|_| RefCell::new(f()), |f| UseRef { inner: f }, |_| {})
+}

packages/hooks/src/usestate.rs

@@ -82,6 +82,7 @@ struct UseStateInner<T: 'static> {
 pub struct UseState<'a, T: 'static> {
     inner: &'a UseStateInner<T>,
 }
+
 impl<T> Copy for UseState<'_, T> {}
 impl<'a, T> Clone for UseState<'a, T>
 where
@@ -115,6 +116,11 @@ impl<'a, T: 'static> UseState<'a, T> {
         self.inner.wip.borrow()
     }
 
+    /// Get the current status of the work-in-progress data
+    pub fn get_wip_mut(&self) -> RefMut<Option<T>> {
+        self.inner.wip.borrow_mut()
+    }
+
     pub fn classic(self) -> (&'a T, &'a Rc<dyn Fn(T)>) {
         todo!()
     }
@@ -136,7 +142,12 @@ impl<'a, T: 'static> UseState<'a, T> {
 }
 
 impl<'a, T: 'static + ToOwned<Owned = T>> UseState<'a, T> {
-    pub fn get_mut(self) -> RefMut<'a, T> {
+    /// Gain mutable access to the new value. This method is only available when the value is a `ToOwned` type.
+    ///
+    /// Mutable access is derived by calling "ToOwned" (IE cloning) on the current value.
+    ///
+    /// To get a reference to the current value, use `.get()`
+    pub fn modify(self) -> RefMut<'a, T> {
         // make sure we get processed
         self.needs_update();