1 files changed, 50 insertions, 0 deletions
diff --git a/plugingui/tester.cc b/plugingui/tester.cc
new file mode 100644
index 0000000..a6dfb6d
--- /dev/null
+++ b/plugingui/tester.cc
@@ -0,0 +1,50 @@
+#include <functional>
+#include <type_traits>
+#include <utility>
+
+template <std::size_t... Is>
+struct indices {};
+
+template <std::size_t N, std::size_t... Is>
+struct build_indices
+  : build_indices<N-1, N-1, Is...> {};
+
+template <std::size_t... Is>
+struct build_indices<0, Is...> : indices<Is...> {};
+
+template<int I> struct placeholder{};
+
+namespace std{
+template<int I>
+struct is_placeholder< ::placeholder<I>> : std::integral_constant<int, I>{};
+} // std::
+namespace detail{
+    template<std::size_t... Is, class Ret, class Fn, class... MArgs, class... Args>
+    auto my_bind(indices<Is...>, Ret (Fn::*f)(MArgs...), Fn *i, Args&&... args) 
+        -> decltype(std::bind(f, i, std::forward<Args>(args)..., placeholder<1 + Is>{}...)){
+        return std::bind(f, i, std::forward<Args>(args)..., placeholder<1 + Is>{}...);
+    }
+}
+
+template<class Ret, class... FArgs, class Fn, class... MArgs, class... Args>
+auto my_bind(std::function<Ret(FArgs...)>, Ret (Fn::*f)(MArgs...), Fn *i, Args&&... args) 
+        -> decltype(detail::my_bind(build_indices<sizeof...(FArgs) - sizeof...(Args)>{}, f, i, std::forward<Args>(args)...)){
+
+    return detail::my_bind(build_indices<sizeof...(FArgs) - sizeof...(Args)>{}, f, i, std::forward<Args>(args)...);
+}
+
+
+#include <iostream>
+struct tmp{
+    void testt(int var1, int var2){
+        std::cout << var1 << " " << var2 << std::endl;
+    }
+};
+
+int main(){
+
+    tmp TMP;
+    auto f3 = my_bind(std::function<void(int, int)>(), &tmp::testt, &TMP);
+    f3(22, 23);
+
+}