{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"hir::ConstArgKind::Anon(anon)"}]}
            hir::ConstArgKind::Anon(anon) => self.lower_anon_const(anon),
            }
            hir::ConstArgKind::Infer(span, ()) => self.ct_infer(None, span),