Function get_charmap 

pub fn get_charmap(a: &str, b: &str) -> (CharMap, CharMap)

Maps Unicode scalar positions in a to positions in b and back.

Examples

use token_align::get_charmap;

assert_eq!(get_charmap("bar", "Bar"), (vec![vec![0], vec![1], vec![2]], vec![vec![0], vec![1], vec![2]]));