syntax_data: {"ast_node_type":"variable","tokens":[{"end":51,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let ConstKind::Value(cv) = self.kind() {
context_before:         // If this is a value, we spend some effort to make it look nice.
context_after:             return ty::tls::with(move |tcx| {