code: def getValueRows(self, rows):
          'Generate (val, row) for the given `rows` at this Column, excluding errors and nulls.'
          f = isNullFunc()
  
          for r in Progress(rows, 'calculating'):
              try:
                  v = self.getTypedValue(r)
                  if not f(v):
                      yield v, r
              except Exception:
                  pasf getValueRows(self, rows):
          'Generate (val, row) for the given `rows` at this Column, excluding errors and nulls.'
          f = isNullFunc()
  
          for r in Progress(rows, 'calculating'):
              try:
                  v = self.getTypedValue(r)
                  if not f(v):
                      yield v, r
              except Exception:
                  pass
docs: Generate (val, row) for the given `rows` at this Column, excluding errors and nulls.