pub fn fold_table_from_source_columns<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: TableFromSourceColumns<T>,
) -> TableFromSourceColumns<T2>
pub fn fold_table_from_source_columns<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: TableFromSourceColumns<T>,
) -> TableFromSourceColumns<T2>