cpp-shared-random-generator/include/random/tape.h

//
//  tape.hpp
//  shared_random_generator
//
//  Created by Sam Jaffe on 3/19/23.
//  Copyright © 2023 Sam Jaffe. All rights reserved.
//

#pragma once

#include <utility>
#include <vector>

#include <random/device.h>

namespace engine::random {
class Tape : public Device {
public:
  // Allow for the serialization and de-serialization of this Tape
  using serial_type = std::vector<result_type>;

private:
  size_t index_{0}; // transient
  std::vector<result_type> entries_;

public:
  Tape() = default;
  Tape(serial_type serial) : entries_(std::move(serial)) {}
  explicit operator serial_type() const { return entries_; }

  result_type operator()() override;
  result_type operator()(result_type result);
};
}