parameters: (self)
docstring: Write the beginning of the block and do not indent.
docstring_summary: Write the beginning of the block and do not indent.
docstring_tokens: Write the beginning of the block and do not indent .
function: def __enter__(self):
          # type: () -> None
          """Write the beginning of the block and do not indent."""
          for namespace in self._namespaces:
              self._writer.write_unindented_line('namespace %s {' % (namespace))
function_tokens: def __enter__ ( self ) : # type: () -> None for namespace in self . _namespaces : self . _writer . write_unindented_line ( 'namespace %s {' % ( namespace ) )