Method SetException

library/cpp/threading/future/core/future-inl.h:848–851

    template <typename T>
    inline void TPromise<T>::SetException(const TString& e) {
        EnsureInitialized();
        State->SetException(std::make_exception_ptr(yexception() << e));
    }

    template <typename T>
    inline void TPromise<T>::SetException(std::exception_ptr e) {