Method wrap_async

crates/wasmtime/src/runtime/func.rs:849–865

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

    /// see the [`Func`] documentation.
    #[cfg(feature = "async")]
    pub fn wrap_async<T, F, P, R>(mut store: impl AsContextMut<Data = T>, func: F) -> Func
    where
        F: for<'a> Fn(Caller<'a, T>, P) -> Box<dyn Future<Output = R> + Send + 'a>
            + Send
            + Sync
            + 'static,
        P: WasmTyList,
        R: WasmRet,
        T: Send + 'static,
    {
        let store = store.as_context_mut().0;
        let host = HostFunc::wrap_async(store.engine(), func).panic_on_oom();

        // SAFETY: The `T` the closure takes is the same as the `T` of the store
        // we're inserting into via the type signature above.
        unsafe { host.into_func(store).panic_on_oom() }
    }

    /// Returns the underlying wasm type that this `Func` has.
    ///