parameters: (self)
return_statement: return len(self._toc)
docstring: Return a count of messages in the mailbox.
docstring_summary: Return a count of messages in the mailbox.
docstring_tokens: Return a count of messages in the mailbox .
function: def __len__(self):
          """Return a count of messages in the mailbox."""
          self._refresh()
          return len(self._toc)
function_tokens: def __len__ ( self ) : self . _refresh ( ) return len ( self . _toc )