std::type_index\ub97c \uc0ac\uc6a9\ud558\uba74 \ud0c0\uc785\uc744 id\ub85c \uc0ac\uc6a9\ud55c container\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
#include <iostream>\r\n#include <unordered_map>\r\n#include <type_traits>\r\n#include <typeindex>\r\n#include <functional>\r\n\r\nusing namespace std;\r\n\r\nunordered_map<type_index, function<void()>> mapType;\r\n\r\ntemplate<typename T>\r\nvoid WhatIsThis(T) {\r\n\tmapType[typeid(T)]();\r\n}\r\nint main() {\r\n\tmapType.emplace(typeid(int), []{cout << \"this is int\" << endl;});\r\n\tmapType.emplace(typeid(float), []{cout << \"this is float\" << endl;});\r\n\tmapType.emplace(typeid(double), []{cout << \"this is double\" << endl;});\r\n\tmapType.emplace(typeid(const char*), []{cout << \"this is const char*\" << endl;});\r\n\t\r\n\tWhatIsThis(1);\r\n\tWhatIsThis(0.5f);\r\n\tWhatIsThis(0.5);\r\n\tWhatIsThis(\"Hello world\");\r\n\treturn 0;\r\n}<\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
std::type_index\ub97c \uc0ac\uc6a9\ud558\uba74 \ud0c0\uc785\uc744 id\ub85c \uc0ac\uc6a9\ud55c container\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. #include <iostream> #include <unordered_map> #include <type_traits> #include <typeindex> #include <functional> using namespace std; unordered_map<type_index, function<void()>> mapType; template<typename T> void WhatIsThis(T) { mapType[typeid(T)](); } int main() { mapType.emplace(typeid(int), []{cout << “this is int” << endl;}); mapType.emplace(typeid(float), []{cout << “this is float” << endl;}); mapType.emplace(typeid(double), []{cout << “this … type_index \uc608\uc81c<\/span> \ub354\ubcf4\uae30