Method GetRegion

library/cpp/on_disk/chunks/reader.h:35–39

    template <typename T>
    TArrayRef<const T> GetRegion(size_t index) const {
        size_t len = GetBlockLen(index);
        Y_ENSURE(len % sizeof(T) == 0, "wrong data padding");
        return TArrayRef<const T>(reinterpret_cast<const T*>(GetBlock(index)), len / sizeof(T));
    }

    inline size_t GetBlocksCount() const {
        return Offsets.size();