class_docstr: Creates a piecewise constant function.
docstr: The underlying data type.
docstr_tok: ["The","underlying","data","type","."]
code: def dtype(self):
      """The underlying data type."""
      return self._dtype
  
file_path: tf-quant-finance/tf_quant_finance/math/piecewise.py
imports: import tensorflow.compat.v2
label_desc: Use image node_id 2 for calling the PiecewiseConstantFunc obj's underlying member method code with example usage: obj.dtype() and returns: self