parameters: (self, val)
return_statement: return self._formatter(val)
docstring: Format an event value.
docstring_summary: Format an event value.
docstring_tokens: Format an event value .
function: def format(self, val):
          """Format an event value."""
          assert val is not None
          return self._formatter(val)
function_tokens: def format ( self , val ) : assert val is not None return self . _formatter ( val )