gistfile1.rs

            let mut result = "".into_string();
            let mut chars = remainder.chars();
            while let Some(c) = chars.next() {
                if c == '-' {
                    match chars.next() {
                        Some(c @ 'a'...'z') => {
                            result.push(c.to_uppercase());
                        }
                        Some(c) => {
                            result.push('-');
                            result.push(c);
                        }
                        None => {
                            result.push('-');
                            break;
                        }
                    }
                } else {
                    result.push(c);
                }
            }