code: def _gen_eval_kwargs(name):
      
      kwargs = {}
  
      # Series and Panel appear to only pass __add__, __radd__, ...
      # but DataFrame gets both these dunder names _and_ non-dunder names
      # add, radd, ...
      name = name.replace('__', '')
  
      if name.startswith('r'):
          if name not in ['radd', 'rand', 'ror', 'rxor']:
              # Exclude commutative operations
              kwargs['reversed'] = True
  
      if name in ['truediv', 'rtruediv']:
          kwargs['truediv'] = True
  
      if name in ['ne']:
          kwargs['masker'] = True
  
      return kwargs
docs: Find the keyword arguments to pass to numexpr for the given operation.
  
      Parameters
      ----------
      name : str
  
      Returns
      -------
      eval_kwargs : dict
  
      Examples
      --------
      >>> _gen_eval_kwargs("__add__")
      {}
  
      >>> _gen_eval_kwargs("rtruediv")
      {'reversed': True, 'truediv': True}