Method resource_async

crates/wasmtime/src/runtime/component/linker.rs:821–835

(&mut self, name: &str, ty: ResourceType, dtor: F)

    /// Identical to [`Self::resource`], except that it takes an async destructor.
    #[cfg(feature = "async")]
    pub fn resource_async<F>(&mut self, name: &str, ty: ResourceType, dtor: F) -> Result<()>
    where
        T: Send,
        F: Fn(StoreContextMut<'_, T>, u32) -> Box<dyn Future<Output = Result<()>> + Send + '_>
            + Send
            + Sync
            + 'static,
    {
        let dtor = try_new::<Arc<_>>(crate::func::HostFunc::wrap_async(
            &self.engine,
            move |cx: crate::Caller<'_, T>, (param,): (u32,)| dtor(cx.into(), param),
        )?)?;
        self.insert(name, Definition::Resource(ty, dtor))?;
        Ok(())
    }

    /// Identical to [`Self::resource`], except that it takes a concurrent destructor.
    #[cfg(feature = "component-model-async")]