{"ast_node_type":"variable","tokens":[{"end":50,"kind":"keyword","start":0,"text":"if"}]}
    if let Some(int_token) = int_token(name_ref) {
fn validate_numeric_name(name_ref: Option<ast::NameRef>, errors: &mut Vec<SyntaxError>) {
        if int_token.text().chars().any(|c| !c.is_ascii_digit()) {