def to_mask(self, data, view=None):
        result = self._parsed.evaluate(data)
        if view is not None:
            result = result[view]
        return result
return the number of bytes in the underlying data
dataset/ETHPy150Open glue-viz/glue/glue/core/parse.py/ParsedSubsetState.to_mask--crossover with--dataset/ETHPy150Open pydata/pandas/pandas/indexes/range.py/RangeIndex.nbytes