syntax_data: {"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let mut ty = PlaceTy::from_ty(self.body.local_decls[place.local].ty);
context_before:         let mut place_index = self.map.locals[place.local]?;
context_after:         tracing::trace!(?place_index, ?ty);