{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"right:"}]}
        right: &interpret::ImmTy<'tcx, Self::Provenance>,
        left: &interpret::ImmTy<'tcx, Self::Provenance>,
    ) -> interpret::InterpResult<'tcx, ImmTy<'tcx, Self::Provenance>> {