Function rust_algorithm_club::sorting::counting_sort

pub fn counting_sort<F, T>(arr: &mut [T], min: usize, max: usize, key: F) where
    F: Fn(&T) -> usize,
    T: Clone, 

Counting sort

• arr - Collection of value to be sorted in place.
• min - Lower bound of the integer range.
• max - Upper bound of the integer range.
• key - Function extracting key witn the integer range from elements.