Method set

imperative/python/src/graph_rt.h:90–103

    template <typename T>
    void set(T&& value) {
        MGB_LOCK_GUARD(m_lock);
        mgb_assert(m_read_ahead >= 0);
        mgb_assert(m_read_ahead <= 1);
        if (m_drop_next) {
            m_drop_next = false;
        } else {
            m_promise.set_value(std::forward<T>(value));
        }
        if (m_read_ahead == 1) {
            m_promise = {};
        }
        --m_read_ahead;
    }

    void reset() {
        MGB_LOCK_GUARD(m_lock);