Class Example

include/ctranslate2/batch_reader.h:21–49

An example is a collection of sequences or streams (e.g. source and target).

  // An example is a collection of sequences or streams (e.g. source and target).
  struct Example {
    std::vector<std::vector<std::string>> streams;

    Example() = default;

    Example(std::vector<std::string> sequence) {
      streams.emplace_back(std::move(sequence));
    }

    Example(std::vector<std::string> source, std::vector<std::string> target) {
      streams.reserve(2);
      streams.emplace_back(std::move(source));
      streams.emplace_back(std::move(target));
    }

    size_t num_streams() const {
      return streams.size();
    }

    bool empty() const {
      return streams.empty();
    }

    size_t length(size_t index = 0) const {
      if (index >= streams.size())
        return 0;
      return streams[index].size();
    }
  };


  // Base class to produce batches.