type_mod.h

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#pragma once

#include <type_traits>

#define SCL_TYPEMOD(alias) \
template <class T>\
using alias##_t = typename std::alias<T>::type;

namespace scl{
    namespace tools{
        namespace meta{
            SCL_TYPEMOD(remove_cv)
            SCL_TYPEMOD(remove_const)
            SCL_TYPEMOD(remove_volatile)

            SCL_TYPEMOD(add_cv)
            SCL_TYPEMOD(add_const)
            SCL_TYPEMOD(add_volatile)

            SCL_TYPEMOD(remove_reference)
            SCL_TYPEMOD(add_lvalue_reference)
            SCL_TYPEMOD(add_rvalue_reference)

            SCL_TYPEMOD(remove_pointer)
            SCL_TYPEMOD(add_pointer)

            SCL_TYPEMOD(make_signed)
            SCL_TYPEMOD(make_unsigned)

            SCL_TYPEMOD(remove_extent)
            SCL_TYPEMOD(remove_all_extents)

            SCL_TYPEMOD(decay)

            template <class T>
            using remove_cv_ref_t = remove_cv_t<remove_reference_t<T>>;

            namespace details{
                template <class T>
                struct NoOp{ using type = T; };
            }

            template <class T>
            using no_op_t = typename details::NoOp<T>::type;

#ifdef SCL_ENABLE_DEPRECATED_TYPEMODS
            SCL_TYPEMOD(result_of)
#endif
        }
    }
}

#undef SCL_TYPEMOD