{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"Rvalue::CheckedBinaryOp(bin,"}]}
        Rvalue::CheckedBinaryOp(bin, op1, op2) => {
        }
            write!(writer, "Checked{:?}({}, {})", bin, pretty_operand(op1), pretty_operand(op2))