syntax_data: {"ast_node_type":"function","tokens":[{"end":85,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn check_assigned_place(&mut self, place: Place<'_>, f: impl FnOnce(&mut Self)) {
context_after:         if let Some(assigned_local) = self.saved_local_for_direct_place(place) {