{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"Add"}]}
        Add | AddUnchecked | AddWithOverflow | Sub | SubUnchecked | SubWithOverflow | Mul
    match op {
        | MulUnchecked | MulWithOverflow | Div | Rem | BitXor | BitAnd | BitOr | Eq | Ne | Lt