component_name_to_demoted_v0.1.rs

fn uncapitalize_first_from_string(name: &String) -> String {
    let mut result = String::new();
    let _name_len = name.len();
    for (i, c) in name.chars().enumerate() {
        match i == 0 {
            true => {
                let mut lower = c.to_lowercase();
                result.push(lower.next().unwrap())
            },
            false => result.push(c)
        }
    }
    result
}

#[test]
fn should_return_copy_of_a_component_name_with_first_letter_in_lowercase(){
    let camel: String = "ComponentName".to_string();
    let expected = "componentName".to_string();
    let result: String = uncapitalize_first_from_string(&camel);
    assert_eq!(expected, result);
}