Function steap_by_steap::sort::merge_sort_helper

fn merge_sort_helper(arr: &mut [i32], left: usize, right: usize)

Recursively divides the array into subarrays and merges them in sorted order.

Arguments

• arr - The array to be sorted.
• left - The starting index of the subarray to be sorted.
• right - The ending index of the subarray to be sorted.