maybe_const.h

#pragma once
 
#include <type_traits>
 
namespace beast {

template <bool IsConst, class T>
struct MaybeConst
{
    explicit MaybeConst() = default;
    using type = std::
        conditional_t<IsConst, typename std::remove_const<T>::type const, std::remove_const_t<T>>;
};

template <bool IsConst, class T>
using maybe_const_t = MaybeConst<IsConst, T>::type;
 
}  // namespace beast