{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"LitKind::Int(_,"}]}
        LitKind::Int(_, LitIntType::Signed(s)) => s.name_str(),
    let suffix = match lit.node {
        LitKind::Int(_, LitIntType::Unsigned(s)) => s.name_str(),