-mod word_utils {
- pub fn first_word(s: &str) -> &str {
- for (i, &item) in s.as_bytes().iter().enumerate() {
- if item == b' ' {
- return &s[..i];
- }
- }
-
- s
- }
-
- pub fn second_word(s: &str) -> Option<&str> {
- for (i, &item) in s.as_bytes().iter().enumerate() {
- if item == b' ' {
- return Some(first_word(&s[(i + 1)..]));
- }
- }
-
- return None;
- }
-}
+mod word_utils;
use word_utils::{first_word, second_word};