draconisplusplus/include/rfl/io/load_bytes.hpp

#ifndef RFL_IO_LOAD_BYTES_HPP_
#define RFL_IO_LOAD_BYTES_HPP_

#include <fstream>
#include <iostream>
#include <string>
#include <vector>

#include "../Result.hpp"

namespace rfl {
  namespace io {

    inline Result<std::vector<char>> load_bytes(const std::string& _fname) {
      std::ifstream input(_fname, std::ios::binary);
      if (input.is_open()) {
        std::istreambuf_iterator<char> begin(input), end;
        const auto                     bytes = std::vector<char>(begin, end);
        input.close();
        return bytes;
      } else {
        return rfl::Error("File '" + _fname + "' not found!");
      }
    }

  } // namespace io
} // namespace rfl

#endif