(self, key)
return key in self.__all
Checks if the type name is known in this schema.

        Considering ``TypeUsingPython``, previously declared in the
        module documentation:

        >>> 'TypeUsingPython' in global_schema
        True
        >>> 'UnknownTypeName' in global_schema
        False
Checks if the type name is known in this schema.
Checks if the type name is known in this schema .
def __contains__(self, key):
        '''Checks if the type name is known in this schema.

        Considering ``TypeUsingPython``, previously declared in the
        module documentation:

        >>> 'TypeUsingPython' in global_schema
        True
        >>> 'UnknownTypeName' in global_schema
        False
        '''
        return key in self.__all
def __contains__ ( self , key ) : return key in self . __all