1 2 3 4 5 6 7 8 9 10 11
pub fn capitalize(s: &str) -> String { let mut c = s.chars(); match c.next() { None => String::new(), Some(f) => f.to_uppercase().collect::<String>() + c.as_str(), } } pub fn uppercase(s: &str) -> String { s.to_uppercase() }