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https://github.com/bolero-MURAKAMI/Sprout
synced 2025-08-03 12:49:50 +00:00
fix variadic-or-positional placeholders type
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bolero-MURAKAMI
parent
d435c59657
commit
95d8db9289
7 changed files with 195 additions and 108 deletions
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@ -9,19 +9,22 @@ namespace sprout {
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// placeholder
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//
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template<int N>
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struct placeholder
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// : public std::integral_constant<int, N>
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{};
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template<>
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struct placeholder<-1>
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// : public std::integral_constant<int, -1>
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{
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struct placeholder {};
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//
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// positional_placeholder
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//
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struct positional_placeholder {
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public:
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template<int N2>
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SPROUT_CONSTEXPR operator sprout::placeholder<N2>() const {
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return sprout::placeholder<N2>();
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template<int N>
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SPROUT_CONSTEXPR operator sprout::placeholder<N>() const {
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return sprout::placeholder<N>();
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}
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};
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//
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// variadic_placeholder
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//
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template<int N>
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struct variadic_placeholder {};
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namespace placeholders {
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namespace {
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@ -56,39 +59,39 @@ namespace sprout {
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<29> _29 = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<30> _30 = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-1> _ = {};
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SPROUT_STATIC_CONSTEXPR sprout::positional_placeholder _ = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256> _va = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 1> _1tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 2> _2tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 3> _3tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 4> _4tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 5> _5tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 6> _6tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 7> _7tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 8> _8tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 9> _9tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 10> _10tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 11> _11tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 12> _12tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 13> _13tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 14> _14tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 15> _15tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 16> _16tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 17> _17tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 18> _18tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 19> _19tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 20> _20tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 21> _21tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 22> _22tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 23> _23tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 24> _24tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 25> _25tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 26> _26tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 27> _27tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 28> _28tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 29> _29tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 30> _30tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<0> _va = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<1> _1tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<2> _2tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<3> _3tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<4> _4tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<5> _5tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<6> _6tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<7> _7tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<8> _8tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<9> _9tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<10> _10tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<11> _11tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<12> _12tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<13> _13tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<14> _14tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<15> _15tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<16> _16tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<17> _17tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<18> _18tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<19> _19tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<20> _20tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<21> _21tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<22> _22tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<23> _23tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<24> _24tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<25> _25tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<26> _26tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<27> _27tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<28> _28tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<29> _29tail = {};
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SPROUT_STATIC_CONSTEXPR sprout::variadic_placeholder<30> _30tail = {};
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} // anonymous-namespace
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} // namespace placeholders
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using sprout::placeholders::_1;
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@ -163,10 +166,6 @@ namespace sprout {
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struct is_placeholder
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: public std::integral_constant<int, 0>
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{};
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template<int N>
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struct is_placeholder<sprout::placeholder<N> >
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: public std::integral_constant<int, N>
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{};
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template<typename T>
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struct is_placeholder<T const>
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: public sprout::is_placeholder<T>
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@ -179,6 +178,58 @@ namespace sprout {
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struct is_placeholder<T const volatile>
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: public sprout::is_placeholder<T>
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{};
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template<int N>
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struct is_placeholder<sprout::placeholder<N> >
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: public std::integral_constant<int, N>
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{};
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//
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// is_positional_placeholder
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//
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template<typename T>
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struct is_positional_placeholder
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: public std::integral_constant<int, 0>
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{};
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template<typename T>
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struct is_positional_placeholder<T const>
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: public sprout::is_positional_placeholder<T>
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{};
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template<typename T>
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struct is_positional_placeholder<T volatile>
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: public sprout::is_positional_placeholder<T>
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{};
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template<typename T>
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struct is_positional_placeholder<T const volatile>
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: public sprout::is_positional_placeholder<T>
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{};
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template<>
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struct is_positional_placeholder<sprout::positional_placeholder>
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: public std::integral_constant<int, 1>
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{};
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//
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// is_variadic_placeholder
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//
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template<typename T>
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struct is_variadic_placeholder
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: public std::integral_constant<int, 0>
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{};
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template<typename T>
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struct is_variadic_placeholder<T const>
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: public sprout::is_variadic_placeholder<T>
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{};
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template<typename T>
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struct is_variadic_placeholder<T volatile>
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: public sprout::is_variadic_placeholder<T>
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{};
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template<typename T>
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struct is_variadic_placeholder<T const volatile>
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: public sprout::is_variadic_placeholder<T>
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{};
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template<int N>
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struct is_variadic_placeholder<sprout::variadic_placeholder<N> >
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: public std::integral_constant<int, N + 1>
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{};
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} // namespace sprout
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#endif // #ifndef SPROUT_FUNCTIONAL_BIND_PLACEHOLDER_HPP
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