StrongNumber.h

// Copyright (C) Entropy Software LLC - All Rights Reserved
 
#pragma once
 
namespace SmartEngine
{
 
template <class type, typename T> class StrongNumber
{
public:
    StrongNumber()
        : _value()
    {
    }
 
    StrongNumber(const T& value)
        : _value(value)
    {
    }
 
    StrongNumber(T&& value) noexcept(std::is_nothrow_move_constructible<T>::value)
        : _value(std::move(value))
    {
    }
 
    operator T&() noexcept { return _value; }
 
    operator const T&() const noexcept { return _value; }
 
    friend void swap(StrongNumber& a, StrongNumber& b) noexcept
    {
        using std::swap;
        swap(static_cast<T&>(a), static_cast<T&>(b));
    }
 
private:
    T _value;
};
 
} // namespace SmartEngine