parameters: (self, elems, packed=False)
docstring: *elems* is a sequence of types to be used as members.
          *packed* controls the use of packed layout.
docstring_summary: *elems* is a sequence of types to be used as members.
          *packed* controls the use of packed layout.
docstring_tokens: * elems * is a sequence of types to be used as members . * packed * controls the use of packed layout .
function: def __init__(self, elems, packed=False):
          """
          *elems* is a sequence of types to be used as members.
          *packed* controls the use of packed layout.
          """
          self.elements = tuple(elems)
          self.packed = packed
function_tokens: def __init__ ( self , elems , packed = False ) : self . elements = tuple ( elems ) self . packed = packed