Function cs_utils::test::pick_random_rg

pub fn pick_random_rg<'a, T, R: SampleRange<usize>>(
    collection: &'a [T],
    range: R
) -> Vec<&'a T>

Picks random items from a vector or slice of items.

Panics

• if items_count is larger than total number of items in a collection

Examples

#[cfg(any(features = "test", test))]
{
    use cs_utils::test::pick_random_rg;
 
    let test_vector = vec![1, 2, 3, 4, 5, 6];
    let random_items = pick_random_rg(&test_vector, 2..=3);
     
    assert!(
        random_items.len() >= 2,
        "Must have at least 2 items.",
    );
 
    assert!(
        random_items.len() <= 3,
        "Must have at most 3 items.",
    );
 
    for item in random_items {
        assert!(
            test_vector.contains(item),
        );
    }
}