use std::rc::Rc; use dioxus_core::{prelude::EventHandler, ScopeState}; use std::future::Future; #[macro_export] macro_rules! use_callback { ($cx:ident, || || $($rest:tt)*) => { use_callback( $cx, (), |_| $($rest)* ) }; ($cx:ident, || |$myarg:ident| $($rest:tt)*) => { use_callback( $cx, || |$myarg| async {} ) }; } pub fn use_callback<'a, T, R, F>(cx: &'a ScopeState, make: impl FnOnce() -> R) -> impl FnMut(T) + 'a where R: FnMut(T) -> F + 'static, F: Future + 'static, { let mut hook = make(); move |evt| cx.spawn(hook(evt)) } fn it_works(cx: &ScopeState) { let p = use_callback(cx, || { |()| async { // } }); // let p = use_callback!(cx, || |evt| async { // // // }); }