mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
394 lines
11 KiB
C++
394 lines
11 KiB
C++
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#ifndef SPROUT_BREED_TRANSFORM_CALL_HPP
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#define SPROUT_BREED_TRANSFORM_CALL_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/utility/pack.hpp>
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#include <sprout/type/type_tuple.hpp>
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#include <sprout/breed/breed_fwd.hpp>
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#include <sprout/breed/traits.hpp>
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#include <sprout/breed/transform/impl.hpp>
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#include <sprout/breed/detail/std_result_of.hpp>
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#include <sprout/breed/detail/as_lvalue.hpp>
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#include <sprout/breed/detail/poly_function.hpp>
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namespace sprout {
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namespace breed {
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//
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// call
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//
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template<typename PrimitiveTransform>
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struct call
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: public PrimitiveTransform
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{};
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template<typename Fun>
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struct call<Fun()>
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: public sprout::breed::transform<sprout::breed::call<Fun()> >
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{
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public:
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template<typename Expr, typename State, typename Data, bool B>
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struct impl2
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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public:
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typedef typename sprout::breed::detail::std_result_of<Fun()>::type result_type;
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public:
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SPROUT_CONSTEXPR result_type operator()(
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typename impl2::expr_param,
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typename impl2::state_param,
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typename impl2::data_param
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) const
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{
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return Fun()();
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}
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};
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template<typename Expr, typename State, typename Data>
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struct impl2<Expr, State, Data, true>
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: public Fun::template impl<Expr, State, Data>
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{};
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template<typename Expr, typename State, typename Data>
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struct impl
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: public impl2<Expr, State, Data, sprout::breed::detail::is_transform_<Fun>::value>
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{};
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};
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template<typename Fun, typename A0>
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struct call<Fun(A0)>
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: public sprout::breed::transform<sprout::breed::call<Fun(A0)> >
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{
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public:
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template<typename Expr, typename State, typename Data, bool B>
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struct impl2
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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private:
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template<typename A>
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struct a_ {
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public:
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typedef typename sprout::breed::when<sprout::breed::_, A>::template impl<
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Expr,
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State,
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Data
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> type;
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};
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template<typename... Args>
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struct fun_ {
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public:
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typedef Fun type(typename a_<Args>::type::result_type...);
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};
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template<typename... Args>
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struct function_
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: public sprout::breed::detail::poly_function_traits<
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Fun,
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typename fun_<Args...>::type
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>
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{};
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public:
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template<long N>
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struct a {
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public:
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typedef typename a_<typename sprout::tppack_at<N, A0>::type>::type::result_type type;
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};
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typedef function_<A0> function_traits;
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typedef typename function_traits::result_type result_type;
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SPROUT_CONSTEXPR result_type operator ()(
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typename impl2::expr_param e,
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typename impl2::state_param s,
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typename impl2::data_param d
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) const
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{
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return typename function_traits::function_type()(
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sprout::breed::detail::as_lvalue(a_<A0>()(e, s, d))
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);
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}
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};
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template<typename Expr, typename State, typename Data>
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struct impl2<Expr, State, Data, true>
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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private:
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template<typename A>
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struct a_ {
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public:
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typedef typename sprout::breed::when<sprout::breed::_, A>::template impl<
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Expr,
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State,
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Data
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> type;
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};
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typedef Fun::template impl<typename a_<A0>::type, State, Data> function_;
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public:
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template<long N>
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struct a {
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public:
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typedef typename a_<typename sprout::tppack_at<N, A0>::type>::type::result_type type;
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};
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typedef template function_::result_type result_type;
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SPROUT_CONSTEXPR result_type operator ()(
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typename impl2::expr_param e,
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typename impl2::state_param s,
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typename impl2::data_param d
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) const
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{
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return function_()(
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typename a_<A0>::type()(e, s, d),
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s,
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d
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);
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}
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};
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template<typename Expr, typename State, typename Data>
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struct impl
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: public impl2<Expr, State, Data, sprout::breed::detail::is_transform_<Fun>::value>
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{};
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};
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template<typename Fun, typename A0, typename A1>
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struct call<Fun(A0, A1)>
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: public sprout::breed::transform<sprout::breed::call<Fun(A0, A1)> >
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{
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public:
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template<typename Expr, typename State, typename Data, bool B>
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struct impl2
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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private:
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template<typename A>
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struct a_ {
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public:
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typedef typename sprout::breed::when<sprout::breed::_, A>::template impl<
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Expr,
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State,
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Data
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> type;
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};
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template<typename... Args>
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struct fun_ {
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public:
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typedef Fun type(typename a_<Args>::type::result_type...);
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};
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template<typename... Args>
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struct function_
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: public sprout::breed::detail::poly_function_traits<
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Fun,
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typename fun_<Args...>::type
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>
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{};
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public:
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template<long N>
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struct a {
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public:
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typedef typename a_<typename sprout::tppack_at<N, A0, A1>::type>::type::result_type type;
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};
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typedef function_<A0, A1> function_traits;
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typedef typename function_traits::result_type result_type;
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SPROUT_CONSTEXPR result_type operator ()(
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typename impl2::expr_param e,
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typename impl2::state_param s,
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typename impl2::data_param d
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) const
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{
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return typename function_traits::function_type()(
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sprout::breed::detail::as_lvalue(a_<A0>()(e, s, d)),
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sprout::breed::detail::as_lvalue(a_<A1>()(e, s, d))
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);
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}
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};
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template<typename Expr, typename State, typename Data>
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struct impl2<Expr, State, Data, true>
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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private:
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template<typename A>
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struct a_ {
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public:
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typedef typename sprout::breed::when<sprout::breed::_, A>::template impl<
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Expr,
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State,
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Data
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> type;
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};
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typedef Fun::template impl<typename a_<A0>::type, typename a_<A1>::type, Data> function_;
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public:
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template<long N>
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struct a {
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public:
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typedef typename a_<typename sprout::tppack_at<N, A0, A1>::type>::type::result_type type;
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};
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typedef template function_::result_type result_type;
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SPROUT_CONSTEXPR result_type operator ()(
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typename impl2::expr_param e,
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typename impl2::state_param s,
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typename impl2::data_param d
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) const
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{
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return function_()(
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typename a_<A0>::type()(e, s, d),
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typename a_<A1>::type()(e, s, d),
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d
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);
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}
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};
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template<typename Expr, typename State, typename Data>
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struct impl
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: public impl2<Expr, State, Data, sprout::breed::detail::is_transform_<Fun>::value>
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{};
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};
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template<typename Fun, typename A0, typename A1, typename A2>
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struct call<Fun(A0, A1, A2)>
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: public sprout::breed::transform<sprout::breed::call<Fun(A0, A1, A2)> >
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{
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public:
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template<typename Expr, typename State, typename Data, bool B>
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struct impl2
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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private:
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template<typename A>
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struct a_ {
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public:
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typedef typename sprout::breed::when<sprout::breed::_, A>::template impl<
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Expr,
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State,
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Data
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> type;
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};
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template<typename... Args>
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struct fun_ {
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public:
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typedef Fun type(typename a_<Args>::type::result_type...);
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};
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template<typename... Args>
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struct function_
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: public sprout::breed::detail::poly_function_traits<
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Fun,
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typename fun_<Args...>::type
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>
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{};
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public:
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template<long N>
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struct a {
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public:
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typedef typename a_<typename sprout::tppack_at<N, A0, A1, A2>::type>::type::result_type type;
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};
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typedef function_<A0, A1, A2> function_traits;
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typedef typename function_traits::result_type result_type;
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SPROUT_CONSTEXPR result_type operator ()(
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typename impl2::expr_param e,
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typename impl2::state_param s,
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typename impl2::data_param d
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) const
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{
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return typename function_traits::function_type()(
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sprout::breed::detail::as_lvalue(a_<A0>()(e, s, d)),
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sprout::breed::detail::as_lvalue(a_<A1>()(e, s, d)),
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sprout::breed::detail::as_lvalue(a_<A2>()(e, s, d))
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);
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}
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};
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template<typename Expr, typename State, typename Data>
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struct impl2<Expr, State, Data, true>
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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private:
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template<typename A>
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struct a_ {
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public:
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typedef typename sprout::breed::when<sprout::breed::_, A>::template impl<
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Expr,
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State,
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Data
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> type;
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};
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typedef Fun::template impl<typename a_<A0>::type, typename a_<A1>::type, typename a_<A2>::type> function_;
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public:
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template<long N>
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struct a {
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public:
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typedef typename a_<typename sprout::tppack_at<N, A0, A1, A2>::type>::type::result_type type;
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};
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typedef template function_::result_type result_type;
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SPROUT_CONSTEXPR result_type operator ()(
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typename impl2::expr_param e,
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typename impl2::state_param s,
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typename impl2::data_param d
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) const
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{
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return function_()(
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typename a_<A0>::type()(e, s, d),
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typename a_<A1>::type()(e, s, d),
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typename a_<A2>::type()(e, s, d)
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);
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}
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};
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template<typename Expr, typename State, typename Data>
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struct impl
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: public impl2<Expr, State, Data, sprout::breed::detail::is_transform_<Fun>::value>
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{};
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};
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template<typename Fun, typename... Args>
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struct call<Fun(Args...)>
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: public sprout::breed::transform<sprout::breed::call<Fun(Args...)> >
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{
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public:
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template<typename Expr, typename State, typename Data>
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struct impl
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: public sprout::breed::transform_impl<Expr, State, Data>
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{
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private:
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template<typename A>
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struct a_ {
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public:
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typedef typename sprout::breed::when<sprout::breed::_, A>::template impl<
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Expr,
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State,
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Data
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> type;
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};
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template<typename... Args>
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struct fun_ {
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public:
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typedef Fun type(typename a_<Args>::type::result_type...);
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};
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template<typename... Args>
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struct function_
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: public sprout::breed::detail::poly_function_traits<
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Fun,
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typename fun_<Args...>::type
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>
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{};
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public:
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template<long N>
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struct a {
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public:
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typedef typename a_<typename sprout::tppack_at<N, Args...>::type>::type type;
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};
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template<long N>
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struct b {
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public:
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typedef typename a_<typename sprout::tppack_at<N, Args...>::type>::type::result_type type;
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};
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typedef function_<Args...> function_traits;
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typedef typename function_traits::result_type result_type;
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SPROUT_CONSTEXPR result_type operator ()(
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typename impl2::expr_param e,
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typename impl2::state_param s,
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typename impl2::data_param d
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) const
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{
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return typename function_traits::function_type()(
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sprout::breed::detail::as_lvalue(typename a_<Args>::type()(e, s, d))...
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);
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}
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};
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};
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//
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// is_callable
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//
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template<typename Fun>
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struct is_callable<sprout::breed::call<Fun> >
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: public std::true_type
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{};
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} // namespace breed
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} // namespace sprout
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#endif // #ifndef SPROUT_BREED_TRANSFORM_CALL_HPP
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