again

Function retry_if

Source 
pub async fn retry_if<T, C>(task: T, condition: C) -> Result<T::Item, T::Error>
where
    T: Task,
    C: Condition<T::Error>,
Expand description

Retries a fallible Future under a certain provided conditions with a default RetryPolicy

again::retry_if(|| async { Err::<u32, u32>(7) }, |err: &u32| *err != 42);