Function sql::ast::fold::fold_column_option_def

pub fn fold_column_option_def<F, T, T2>(
    folder: &mut F, 
    node: ColumnOptionDef<T>
) -> ColumnOptionDef<T2> where
    T: AstInfo,
    T2: AstInfo,
    F: Fold<T, T2> + ?Sized,