(self, left, right)
| 147 | # Subclasses must implement these two. |
| 148 | def GetOpString(self): raise NotImplementedError |
| 149 | def GenerateResult(self, left, right): raise NotImplementedError |
| 150 | |
| 151 | # Subclasses may override these: |
| 152 | def GenerateInputLengths(self): |