maybe_const.h

#pragma once
 
#include <type_traits>
 
namespace beast {
 
template <bool IsConst, class T>
struct maybe_const
{
    explicit maybe_const() = default;
    using type = typename std::conditional<
        IsConst,
        typename std::remove_const<T>::type const,
        typename std::remove_const<T>::type>::type;
};
 
template <bool IsConst, class T>
using maybe_const_t = typename maybe_const<IsConst, T>::type;
 
}  // namespace beast