fn iterate<'x>(&'x self)
        -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
        where 'render: 'x
    {
        Err(DataError::IterationUnsupported(self.typename()))
    }
/// Return iterator over the value if appropriate
Return iterator over the value if appropriate
Return iterator over the value if appropriate
fn iterate<'x>(&'x self)
        -> Result<Box<Iterator<Item=Var<'x, 'render>>+'x>, DataError>
        where 'render: 'x
    {
        Err(DataError::IterationUnsupported(self.typename()))
    }
fn iterate < ' x > ( & ' x self ) -> Result < Box < Iterator < Item = Var < ' x , ' render > > + ' x > , DataError > where ' render : ' x { Err ( DataError :: IterationUnsupported ( self . typename ( ) ) ) }
Return iterator over the value if appropriate
Return iterator over the value if appropriate
&'x self
&'x self