supplier.hpp

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
#pragma once
 
#include <functional>
 
namespace okapi {
template <typename T> class Supplier {
  public:
  explicit Supplier(std::function<T(void)> ifunc) : func(ifunc) {
  }
 
  virtual ~Supplier() = default;
 
  T get() const {
    return func();
  }
 
  protected:
  std::function<T(void)> func;
};
} // namespace okapi