syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:         for local in body.local_decls.indices() {
context_before:         self.inner_values = IndexVec::from_elem(0..0, &self.places);
context_after:             if let Some(place) = self.locals[local] {