cppmp/include/cppmp/core/modifier.h

#pragma once

#include <cstddef>

#define cppmp_define_modifier(name) \
    template<typename... T> \
    struct name \
        : public std::name<T...> \
        { }; \
    \
    template<typename... T> \
    using name ## _t = typename name<T...>::type

namespace cppmp
{

    template<class T>
    struct decay;

    template<typename T>
    using decay_t = typename decay<T>::type;

    /* const-volatile modifications */

    #ifdef cppmp_std_supports_remove_const
    cppmp_define_modifier(remove_const);
    #endif

    #ifdef cppmp_std_supports_remove_volatile
    cppmp_define_modifier(remove_volatile);
    #endif

    #ifdef cppmp_std_supports_remove_cv
    cppmp_define_modifier(remove_cv);
    #endif

    #ifdef cppmp_std_supports_add_const
    cppmp_define_modifier(add_const);
    #endif

    #ifdef cppmp_std_supports_add_volatile
    cppmp_define_modifier(add_volatile);
    #endif

    #ifdef cppmp_std_supports_add_cv
    cppmp_define_modifier(add_cv);
    #endif

    /* reference modifications */

    #ifdef cppmp_std_supports_remove_reference
    cppmp_define_modifier(remove_reference);
    #endif

    #ifdef cppmp_std_supports_add_lvalue_reference
    cppmp_define_modifier(add_lvalue_reference);
    #endif

    #ifdef cppmp_std_supports_add_rvalue_reference
    cppmp_define_modifier(add_rvalue_reference);
    #endif

    /* sign modifications */

    #ifdef cppmp_std_supports_make_signed
    cppmp_define_modifier(make_signed);
    #endif

    #ifdef cppmp_std_supports_make_unsigned
    cppmp_define_modifier(make_unsigned);
    #endif

    /* array modifications */

    #ifdef cppmp_std_supports_remove_extent
    cppmp_define_modifier(remove_extent);
    #endif

    #ifdef cppmp_std_supports_remove_all_extents
    cppmp_define_modifier(remove_all_extents);
    #endif

    /* pointer modifications */

    #ifdef cppmp_std_supports_add_pointer
    cppmp_define_modifier(add_pointer);
    #endif

    #ifdef cppmp_std_supports_remove_pointer
    cppmp_define_modifier(remove_pointer);
    #endif

    /* other transformations */

    #ifdef cppmp_std_supports_remove_cvref
    cppmp_define_modifier(remove_cvref);
    #endif

    #ifdef cppmp_std_supports_common_type
    cppmp_define_modifier(common_type);
    #endif

    #ifdef cppmp_std_supports_underlying_type
    cppmp_define_modifier(underlying_type);
    #endif

    #ifdef cppmp_std_supports_result_of
    cppmp_define_modifier(result_of);
    #endif

    #ifdef cppmp_std_supports_invoke_result
    cppmp_define_modifier(invoke_result);
    #endif

    #ifdef cppmp_std_supports_aligned_storage
    template <std::size_t Len, std::size_t Align>
    struct aligned_storage
        : public std::aligned_storage<Len, Align>
        { };

    template <std::size_t Len, std::size_t Align>
    using aligned_storage_t = typename aligned_storage<Len, Align>::type;
    #endif

    #ifdef cppmp_std_supports_aligned_union
    template <std::size_t Len, class... Types>
    struct aligned_union
        : public std::aligned_union<Len, Types...>
        { };

    template <std::size_t Len, class... Types>
    using aligned_union_t = typename aligned_union<Len, Types...>::type;
    #endif

}

#undef cppmp_define_modifier

#include "modifier.inl"