Constexpr.h

/**
 * @file consteval.hpp
 * @author ae2f
 * @brief
 * @date 2025-02-01
 *
 * @copyright Copyright (c) 2025
 *
 */
#ifndef ae2f_Cast_consteval_hpp
#define ae2f_Cast_consteval_hpp
#include "../LangVer.h"
 
 
#if __ae2f_stdcheck_CC(201703L)
#define ae2f_if_constexpr if constexpr
#else
#define ae2f_if_constexpr if
#endif
 
#if __ae2f_stdcheck_CC(202002L)
#define ae2f_if_consteval   if consteval
#else
#define ae2f_if_consteval   if (0)
#endif
 
#if __ae2f_stdcheck_CC(202002L)
#define ae2f_constexprvirtual constexpr virtual
#define ae2f_constinit  constinit
#else
#define ae2f_constexprvirtual virtual
#define ae2f_constinit  /* not available */
#endif /* C++20 */
 
#if __ae2f_stdcheck_CC(201402L)
#define ae2f_constextendedfun   constexpr
#define ae2f_constextendedeval  constexpr
 
#define ae2f_constextendedmethod    constexpr
#define ae2f_constextendedmethodeval    constexpr
 
#else
#define ae2f_constextendedfun   inline
#define ae2f_constextendedmethod    inline
 
#define ae2f_constextendedeval  inline
#define ae2f_constextendedmethodeval    inline
#endif /* C++14 */
 
#if __ae2f_stdcheck_CC(201103L)
#define ae2f_constexprmethod        constexpr
#define ae2f_constexprfun       constexpr
#define ae2f_constevalmethod        constexpr
#define ae2f_virtual        virtual
#else
#define ae2f_constexprmethod        inline
#define ae2f_constexprfun       inline
#define ae2f_constevalmethod        inline
#define ae2f_virtual
 
#if !defined(__cplusplus) /* C */
 
#if !defined(__cplusplus) && __ae2f_lvcheck_c(2023)
/** cosntexpr variable */
#define ae2f_constexpr  constexpr
#else
#define ae2f_constexpr
#endif /* C23 */
 
 
#endif /* C */
 
#endif /* C++11 */
 
#if __ae2f_stdcheck_CC(202002L)
#undef ae2f_constevalmethod
#define ae2f_constevalmethod consteval /* C++20 */
#define ae2f_consteval  consteval
#elif __ae2f_stdcheck_CC(0)
 
 
/** @brief C++ keyword for const-time functions */
#define ae2f_consteval
 
#undef ae2f_constevalmethod
#define ae2f_constevalmethod ae2f_constexprmethod
 
#else
 
#define ae2f_consteval
#endif /* C++20 */
 
#if !__ae2f_stdcheck_CC(201103L)
 
#undef  ae2f_noexcept
/** @brief There will be no exception thrown */
#define ae2f_noexcept
#undef  ae2f_constexpr
#define ae2f_constexpr
#else
#undef  ae2f_noexcept
#define ae2f_noexcept noexcept
#undef  ae2f_constexpr
#define ae2f_constexpr constexpr
#endif /* C++<=11 */
 
#ifdef __cplusplus
#else
#undef  ae2f_noexcept
#define ae2f_noexcept
#endif
 
#endif