{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":".ok_or_else(||"}]}
            .ok_or_else(|| B::Error::new(format!("Const `{cnst:?}` cannot be encoded as u64")))
        cnst.try_eval_target_usize(self.tcx, self.fully_monomorphized())
    }