parameters: (type)
return_statement: return type in __types
docstring: Returns true iff type has been registered.
docstring_summary: Returns true iff type has been registered.
docstring_tokens: Returns true iff type has been registered .
function: def registered (type):
      """ Returns true iff type has been registered.
      """
      assert isinstance(type, basestring)
      return type in __types
function_tokens: def registered ( type ) : assert isinstance ( type , basestring ) return type in __types