syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"self.data.extend_unord(items.map(|(id,"}]}
source_snippet:         self.data.extend_unord(items.map(|(id, value)| {
context_before:     pub fn extend(&mut self, items: UnordItems<(HirId, V), impl Iterator<Item = (HirId, V)>>) {
context_after:             validate_hir_id_for_typeck_results(self.hir_owner, id);