future_to_promise

runtime::promise

Function future_to_promise 

Source 
pub fn future_to_promise<'cx, F, Fut, O, E>(
    cx: &'cx Context,
    func: F,
) -> Option<Promise<'cx>>
where
    F: FnOnce(Context) -> Fut + 'static,
    Fut: Future<Output = Result<O, E>> + 'static,
    O: for<'cx2> IntoValue<'cx2> + 'static,
    E: for<'cx2> IntoValue<'cx2> + 'static,
Available on crate feature tokio-promise only.
Expand description

Returns None if no future queue has been initialised.