gluon_base::types
impl<'a, Id: 'a, T: 'a> Iterator for RowIteratorMut<'a, Id, T> where T: DerefMut<Target = Type<Id, T>>, type Item = &'a mut Field<Id, T>;
pub fn row_iter_mut<Id, T>(typ: &mut T) -> RowIteratorMut<Id, T>