syntax_data: {"ast_node_type":"variable","tokens":[{"end":95,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let (min_length, exact_size) = if let Some(place_resolved) = place.try_to_place(self) {
context_before:         let tcx = self.tcx;
context_after:             match place_resolved.ty(&self.local_decls, tcx).ty.kind() {