fn msd_radix_sort_helper(
    vec: &mut [String],
    lo: usize,
    hi: usize,
    d: usize,
    max_len: usize
)
Expand description

Helper function for MSD Radix Sort.

This recursive function performs the actual sorting of a subset of the strings.

Args: vec: Mutable reference to the vector of strings being sorted. lo: Starting index of the current subset. hi: Ending index (exclusive) of the current subset. d: Current digit (character position) being examined. max_len: Maximum length of any string in the original input.