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#pragma once
#include "asl/meta.hpp"
#include "asl/maybe_uninit.hpp"
namespace asl
{
struct nullopt_t {};
static constexpr nullopt_t nullopt{};
template<is_object T>
class option
{
maybe_uninit<T> m_payload;
bool m_has_value = false;
public:
constexpr option() = default;
constexpr option(nullopt_t) {} // NOLINT(*-explicit-conversions)
constexpr ~option() = default;
constexpr ~option() requires (!trivially_destructible<T>)
{
if (m_has_value) { m_payload.uninit_unsafe(); }
}
};
} // namespace asl
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