GCC(在任何版本中)相當於clang的__type_pack_element來獲取模板參數包的第N個元素 [英]GCC (in any version) equivalent of clang's __type_pack_element to get Nth element of template parameter pack
是否有GCC預處理器指令來檢查代碼是否在64位機器上編譯? [英]Is there a GCC preprocessor directive to check if the code is being compiled on a 64 bit machine?
是否有相當於 __gnu_cxx::__freeres 鈎子的 clang++/libc++ ? [英]Is there a clang++/libc++ equivalent to the __gnu_cxx::__freeres hook?