pub type AsyncFn<'data, 'inst, 'frame, 'fut, Data> = fn(_: &'data mut Data, _: &'inst mut AsyncInstance, _: &'frame mut CallingFrame, _: Vec<WasmValue>) -> Box<dyn Future<Output = Result<Vec<WasmValue>, CoreError>> + Send + 'fut>;Available on crate feature
async and Linux only.