big_int.hpp

#ifndef BIG_INT_HPP
#define BIG_INT_HPP
 
#include <string>
#include <array>
 
#include "tl/expected.hpp"
 
struct BigInt {
 
  BigInt() : data() {}
  virtual ~BigInt() {}
 
  enum class eError : uint8_t { PARSE_ERROR };
  static tl::expected<BigInt, eError> from_string(const std::string &str);
 
  static BigInt from_int(uint64_t value);
  std::string to_string() const;
 
  friend bool operator == (const BigInt& rhs, const BigInt& lhs);
private:
  std::array<uint8_t,256> data;
};
 
bool operator==(const BigInt &rhs, const BigInt &lhs);
 
#endif // #ifndef #ifndef BIG_INT_HPP