C++\uc5d0\uc11c std::is_function \ud568\uc218\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uc0ac\uc6a9\ud574 \ubcf4\uba74 \uc608\uc0c1\ub41c \uacb0\uacfc\ub97c \ubc18\ud658\ud574 \uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n
#include <iostream>\r\n#include <type_traits>\r\n\r\nusing namespace std;\r\n\r\nclass A {\r\n\tpublic:\r\n\tstatic void static_member_function() {\r\n\t\tcout << \"hello world!!\" << endl;\r\n\t}\r\n};\r\n\r\nint main() {\r\n\tcout << (is_function<decltype(&A::static_member_function)>::value ? \"true\" : \"false\") << endl;\r\n\treturn 0;\r\n}<\/pre>\n\uc704 \ucf54\ub4dc\uc758 \uacb0\uacfc\ub294 \"false\" \uc785\ub2c8\ub2e4.\u00a0\ud568\uc218\uc640 \ud568\uc218 \ud3ec\uc778\ud130\uc758 \ucc28\uc774\ub85c \uc778\ud574\uc11c \uc0dd\uae30\ub294 \uc774\uc288 \uc785\ub2c8\ub2e4.<\/p>\n
is_pointer\ub294 true\ub97c \ubc18\ud658\ud558\uc9c0\ub9cc is_function\uc740 false\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud544\uc694\ud558\ub2e4\uba74 is_function_pointer \uac19\uc740 \ud15c\ud50c\ub9bf \ud568\uc218\ub97c \ub9cc\ub4e4\uc5b4 \uc904 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ubb3c\ub860 \uc608\uc81c\ucf54\ub4dc\uc5d0\uc11c &A::static_member_function \uc5d0\uc11c &\ub97c \ube80 A::static_member_function\uc744 \ub118\uae38 \uacbd\uc6b0\uc5d0\ub294 is_function\uc774 true\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4. \ubb38\uc81c\ub294 \ud568\uc218 \ud3ec\uc778\ud130\ub97c \ub118\uae30\ub294 \ub9ce\uc740 \uacbd\uc6b0 \ud568\uc218 \ud3ec\uc778\ud130\ub97c \ubc1b\uc544\uc11c \ub2e4\ub978 \uc704\uce58\uc5d0\uc11c \ud568\uc218 \ud3ec\uc778\ud130\ub97c \uc774\uc6a9\ud55c \ud638\ucd9c\uc744 \ud558\uae30 \uc704\ud568\uc785\ub2c8\ub2e4.<\/p>\n
\uc81c\uac00 \ub9cc\ub09c \ucf00\uc774\uc2a4\ub294 Lua\uc5d0 \uac12\uc744 \ubc14\uc778\ub529 \ud560 \ub54c \ud568\uc218\uc77c \uacbd\uc6b0\uc640 \uac12\uc77c \uacbd\uc6b0\ub97c \uad6c\ubd84\ud558\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ud558\ub294 \uacfc\uc815\uc5d0\uc11c \ub9cc\ub09c \uc774\uc288\uc785\ub2c8\ub2e4.<\/p>\n
template<typename T>\r\nvoid SetGlobal(const char* name, T arg) {\r\n std::_If<std::is_function<T>::value,\r\n FunctionBinder<T>, \/\/ lua\uc5d0 \ud568\uc218\ub97c \ubc14\uc778\ub529 \ud558\ub294 functor\r\n ValueBinder<T> \/\/ lua\uc5d0 \ubcc0\uc218\ub97c \ubc14\uc778\ub529 \ud558\ub294 functor\r\n >::type() (L, name, arg);\r\n}<\/pre>\n\uc704\uc758 \uacbd\uc6b0 T\ub85c \ud568\uc218 \ud3ec\uc778\ud130\uac00 \ub118\uc5b4\uc624\uac8c \ub418\ub294\ub370 \ub9cc\ub4e4\uace0 \ubcf4\ub2c8 is_function\uc5d0\uc11c false\uac00 \ub118\uc5b4\uc624\uae38\ub798 \ub2e4\uc74c\uacfc \uac19\uc774 \uc218\uc815\ud558\uc5ec \ud574\uacb0\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n
template<typename T>\r\nvoid SetGlobal(const char* name, T arg) {\r\n std::_If<std::is_pinter<T>::value&&std::is_function<std::remove_pointer<T>::type>::value,\r\n FunctionBinder<T>, \/\/ lua\uc5d0 \ud568\uc218\ub97c \ubc14\uc778\ub529 \ud558\ub294 functor\r\n ValueBinder<T> \/\/ lua\uc5d0 \ubcc0\uc218\ub97c \ubc14\uc778\ub529 \ud558\ub294 functor\r\n >::type() (L, name, arg);\r\n}<\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
C++\uc5d0\uc11c std::is_function \ud568\uc218\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uc0ac\uc6a9\ud574 \ubcf4\uba74 \uc608\uc0c1\ub41c \uacb0\uacfc\ub97c \ubc18\ud658\ud574 \uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. #include <iostream> #include <type_traits> using namespace std; class A { public: static void static_member_function() { cout << “hello world!!” << endl; } }; int main() { cout << (is_function<decltype(&A::static_member_function)>::value ? “true” : “false”) << endl; return 0; } \uc704 \ucf54\ub4dc\uc758 \uacb0\uacfc\ub294 “false” \uc785\ub2c8\ub2e4.\u00a0\ud568\uc218\uc640 … is_function \uc5d0\uc11c \ud568\uc218\ub97c \uad6c\ubd84\ud558\uae30<\/span> \ub354\ubcf4\uae30