/**
 * firstUniqChar
 * @author guobin201314@gmail.com on 2019-01-16
 */

export const firstUniqChar = function(s: string): number {
    for (let i = 0; i < s.length; i++) {
        const current = s[i];
        const after = s.replace(current, "");
        if (!after.includes(current)) {
            return i;
        }
    }
    return -1;
};