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| #include <stdio.h> | |
| #include <string> | |
| template<typename Arg> const char* type_to_str(); | |
| template<typename...> struct VarIterator; | |
| template<typename Head> struct VarIterator<Head> | |
| { | |
| static std::string eval() | |
| { | |
| return type_to_str<Head>(); | |
| }; | |
| }; | |
| template<typename Head, typename... Rest> struct VarIterator<Head, Rest...> | |
| { | |
| static std::string eval() | |
| { | |
| return VarIterator<Head>::eval() + ";" + VarIterator<Rest...>::eval(); | |
| } | |
| }; | |
| template<typename... Args> std::string resolve() | |
| { | |
| return VarIterator<Args...>::eval(); | |
| }; | |
| template<> const char* type_to_str<int>() | |
| { | |
| return "int"; | |
| } | |
| template<> const char* type_to_str<float>() | |
| { | |
| return "float"; | |
| } | |
| template<> const char* type_to_str<void>() | |
| { | |
| return "void"; | |
| } | |
| template<typename Result, typename... Args> std::string resolve_func_type(Result(*)(Args...)) | |
| { | |
| return resolve<Result>() + " " + resolve<Args...>(); | |
| } | |
| void foo(int, float) | |
| { | |
| } | |
| int main() | |
| { | |
| printf("%s\n", resolve<int, float>().c_str()); | |
| printf("%s\n", resolve_func_type(foo).c_str()); | |
| return 0; | |
| } |
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