parameters: (self, iterable=None)
docstring: Construct an immutable set from an optional iterable.
docstring_summary: Construct an immutable set from an optional iterable.
docstring_tokens: Construct an immutable set from an optional iterable .
function: def __init__(self, iterable=None):
          """Construct an immutable set from an optional iterable."""
          self._hashcode = None
          self._data = {}
          if iterable is not None:
              self._update(iterable)
function_tokens: def __init__ ( self , iterable = None ) : self . _hashcode = None self . _data = { } if iterable is not None : self . _update ( iterable )