Method new_async

crates/wasmtime/src/runtime/func.rs:525–544

(mut store: impl AsContextMut<Data = T>, ty: FuncType, func: F)

    /// ```
    #[cfg(feature = "async")]
    pub fn new_async<T, F>(mut store: impl AsContextMut<Data = T>, ty: FuncType, func: F) -> Func
    where
        F: for<'a> Fn(
                Caller<'a, T>,
                &'a [Val],
                &'a mut [Val],
            ) -> Box<dyn Future<Output = Result<()>> + Send + 'a>
            + Send
            + Sync
            + 'static,
        T: Send + 'static,
    {
        let store = store.as_context_mut().0;

        let host = HostFunc::new_async(store.engine(), ty, func).panic_on_oom();

        // SAFETY: the `T` used by `func` matches the `T` of the store we're
        // inserting into via this function's type signature.
        unsafe { host.into_func(store).panic_on_oom() }
    }

    /// Creates a new `Func` from a store and a funcref within that store.
    ///