(op Operator, lhs Element, rhs Element)
| 227 | } |
| 228 | |
| 229 | func binaryOp(op Operator, lhs Element, rhs Element) string { |
| 230 | return wrapElement(lhs) + " " + op.String() + " " + wrapElement(rhs) |
| 231 | } |
| 232 | |
| 233 | func unaryOp(op Operator, e Element) string { |
| 234 | if op == OpExists { |