iframe-proxy | Sunbelt Computer Software

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#include <tuple>

#include <iostream>

#include <utility>

template<typename F, typename T, std::size_t... I>

decltype(auto) apply_impl(F f, const T& t, std::index_sequence<I...>)

{

return f(std::get<I>(t)...);

}

template<typename F, typename T>

decltype(auto) apply(F f, const T& t)

{

return apply_impl(f, t, std::make_index_sequence<std::tuple_size<T>::value>());

}

int main()

{

auto tp = std::make_tuple(1, 'A', 1.2);

auto ld = [](int arg1, char arg2, double arg3)->int{

std::cout << "call func(" << arg1 << ", " << arg2 << ", " << arg3 << ")" << std::endl;

return 0;

};

int ret= apply(ld, tp);

}

Sunbelt Computer Software