code: def yummy(x, *, params=None):  # pragma: no cover
      """Dummy operator for testing initializations. What it does is unspecified."""
      raise
  
file_path: jaxdf/jaxdf/operators/dummy.py
imports: from jaxdf.core import operator
  from jaxdf.discretization import Continuous, Field, OnGrid
label_desc: Use image node_id 5 for calling a global function with example usage: yummy(x) without return types