51 lines
1015 B
C
51 lines
1015 B
C
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#ifndef ALSK_ALSK_SKELETON_MUSCLE_MUSCLE_H
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#define ALSK_ALSK_SKELETON_MUSCLE_MUSCLE_H
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#include <tmp/pack.h>
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namespace alsk {
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/**
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* @brief hold the functionoid type and its links
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*/
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template<typename Type, typename Links>
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using Fun = tmp::Pack<Type, Links>;
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}
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template<typename T, T> struct Fn;
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template<typename R, typename... Ts, R(*F)(Ts...)>
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struct Fn<R(*)(Ts...), F> {
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using Signature = R(Ts...);
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constexpr R operator()(Ts... args) { return F(args...); }
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};
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template<typename R, typename... Ts, R(&F)(Ts...)>
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struct Fn<R(&)(Ts...), F> {
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using Signature = R(Ts...);
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constexpr R operator()(Ts... args) { return F(args...); }
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};
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#define FN(f) Fn<decltype(f)&, f>
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#define FN_OVERLOAD(T, f) Fn<T, f>
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/** C++17
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* namespace impl {
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*
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* template<typename T, T> struct Fn;
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*
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* template<typename R, typename... Ts, R(*F)(Ts...)>
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* struct Fn<R(*)(Ts...), F> {
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* R operator()(Ts... args) { return F(args...); }
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* };
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*
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* }
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*
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* template<auto F>
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* using Fn = impl::Fn<decltype(F), F>;
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*/
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#endif
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