#ifndef WANDA_OPTIONAL_HPP
#define WANDA_OPTIONAL_HPP

#include <optional>

namespace wanda::std_ext {

struct failable {

    constexpr static auto success() { return failable{false}; }
    constexpr static auto failure() { return failable{true}; }

    template<typename Handler>
    constexpr auto operator ||(Handler handler) const {
        if(m_failed) {
            handler();
        }
    }

private:
    constexpr explicit failable(bool failed) : m_failed{failed} { };
    bool const m_failed;
};

template<typename ObjectType, typename HandlerType>
auto with(std::optional<ObjectType> && object, HandlerType handler) {
  if(object) {
    handler(object.value());
    return failable::success();
  }
  return failable::failure();
}

}

#endif