wip: polish some more things

packages/hooks/src/lib.rs

@@ -1,5 +1,5 @@
 mod usestate;
-pub use usestate::{use_state, AsyncUseState, UseState};
+pub use usestate::{use_state, UseState};
 
 mod useref;
 pub use useref::*;
@@ -16,5 +16,45 @@ pub use usefuture::*;
 mod usesuspense;
 pub use usesuspense::*;
 
-// mod usemodel;
-// pub use usemodel::*;
+#[macro_export]
+macro_rules! to_owned {
+    ($($es:ident),+) => {$(
+        #[allow(unused_mut)]
+        let mut $es = $es.to_owned();
+    )*}
+}
+
+/// Calls `for_async` on the series of paramters.
+///
+/// If the type is Clone, then it will be cloned. However, if the type is not `clone`
+/// then it must have a `for_async` method for Rust to lower down into.
+///
+/// See: how use_state implements `for_async` but *not* through the trait.
+#[macro_export]
+macro_rules! for_async {
+    ($($es:ident),+) => {$(
+        #[allow(unused_mut)]
+        let mut $es = $es.for_async();
+    )*}
+}
+
+/// This is a marker trait that uses decoherence.
+///
+/// It is *not* meant for hooks to actually implement, but rather defer to their
+/// underlying implementation if they *don't* implement the trait.
+///
+///
+pub trait AsyncHook {
+    type Output;
+    fn for_async(self) -> Self::Output;
+}
+
+impl<T> AsyncHook for T
+where
+    T: ToOwned<Owned = T>,
+{
+    type Output = T;
+    fn for_async(self) -> Self::Output {
+        self
+    }
+}