INNER CODE UNIT · Rust

snake_to_camel

google/tarpc · plugins/src/lib.rs:826

fn snake_to_camel(ident_str: &str) -> String {
    let mut camel_ty = String::with_capacity(ident_str.len());

    let mut last_char_was_underscore = true;
    for c in ident_str.chars() {
        match c {
            '_' => last_char_was_underscore = true,
            c if last_char_was_underscore => {
                camel_ty.extend(c.to_uppercase());
                last_char_was_underscore = false;
            }
            c => camel_ty.extend(c.to_lowercase()),
        }
    }

    camel_ty.shrink_to_fit();
    camel_ty
}

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