Function libdivsufsort_rs::inverse_bw_transform

pub fn inverse_bw_transform(
    input_string: &mut Vec<u8>,
    primary_index: i32
) -> Option<()>

“Inverse BW-transforms a given BWTed string.”
Input: Vector of bytes(burrows wheeler transformed) & its primary index
A input vector is transformed to original string
Output: If no error occured, get Some value of unit. Otherwise, None.