{"ast_node_type":"variable","tokens":[{"end":65,"kind":"keyword","start":0,"text":"if"}]}
    if let LitKind::Int(literal, LitIntType::Unsuffixed) = node {
fn parse_alignment(node: &LitKind) -> Result<Align, &'static str> {
        // `Align::from_bytes` accepts 0 as an input, check is_power_of_two() first