{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"AssertMessage::Overflow(op,"}]}
            AssertMessage::Overflow(op, _, _) => Err(error!("`{:?}` cannot overflow", op)),
            AssertMessage::Overflow(BinOp::Shl, _, _) => Ok("attempt to shift left with overflow"),
            AssertMessage::DivisionByZero(_) => Ok("attempt to divide by zero"),