37 lines
895 B
C++
37 lines
895 B
C++
#ifndef UTIL_HELPERS_H
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#define UTIL_HELPERS_H
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#include <functional>
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namespace PresenceDetection {
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namespace Util {
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namespace Helpers {
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template <int... Is>
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struct index {};
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template <int N, int... Is>
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struct gen_seq : gen_seq<N - 1, N - 1, Is...> {};
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template <int... Is>
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struct gen_seq<0, Is...> : index<Is...> {};
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template <typename ...FunctionArguments, typename ...Arguments, int... Is>
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void execute(std::function<void(FunctionArguments...)> const & function, std::tuple<Arguments...>& tuple, index<Is...>)
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{
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function(std::get<Is>(tuple)...);
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}
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template <typename ...FunctionArguments, typename ...Arguments>
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void execute(std::function<void(FunctionArguments...)> const & function, std::tuple<Arguments...>& tuple)
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{
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execute(function, tuple, gen_seq<sizeof...(Arguments)>{});
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}
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} // namespace Helpers
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} // namespace Util
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} // namespace PresenceDetection
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#endif // UTIL_HELPERS_H
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