text: #include "Text.hpp"
  
  #include <fstream>
  #include <string>
  
  std::string readFileContent(const std::string &filename) {
    std::ifstream stream(filename);
    if (stream.fail()) {
      throw std::runtime_error("Could not open " + filename + ".");
    }
    const auto &begin = std::istreambuf_iterator<char>(stream);
    return std::string(begin, std::istreambuf_iterator<char>());
  }
  