async-iter-ext 0.3.0

Async iterator methods and async methods for option and result.
Documentation 
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use std::time::Duration;

use async_iter_ext::AsyncOptionTools;
use async_std::task::sleep;
use rstest::rstest;

#[rstest]
async fn test_option_is_some_and_async(#[values(Some(1), None, Some(2))] value: Option<u32>) {
    let y = value.is_some_and(|val| val == 1);

    let ya = value
        .is_some_and_async(|val| async move {
            sleep(Duration::from_millis(100)).await;
            val == 1
        })
        .await;

    assert_eq!(y, ya);
}

#[rstest]
async fn test_option_map_async(#[values(Some(1), None, Some(2))] value: Option<u32>) {
    let y = value.map(|val| val + 1);
    let ya = value
        .map_async(|val| async move {
            sleep(Duration::from_millis(100)).await;
            val + 1
        })
        .await;

    assert_eq!(y, ya);
}