mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
#ifndef SPROUT_OPERATION_FIXED_APPEND_HPP
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#define SPROUT_OPERATION_FIXED_APPEND_HPP
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT
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namespace sprout {
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namespace fixed {
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namespace result_of {
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//
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// append
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//
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template<typename Container, typename Input>
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struct append {
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public:
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typedef typename sprout::container_transform_traits<
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Container
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>::template rebind_size<
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sprout::container_traits<Container>::static_size + sprout::container_traits<Input>::static_size
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>::type type;
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};
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} // namespace result_of
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namespace detail {
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template<typename Result, typename Container, typename Input, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR Result append_impl(
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Container const& cont,
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sprout::index_tuple<Indexes...>,
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typename sprout::container_traits<Container>::difference_type pos,
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typename sprout::container_traits<Container>::difference_type size,
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Input const& input
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)
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{
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return sprout::remake<Result>(
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cont,
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sprout::size(cont) + sprout::size(input),
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(Indexes < sprout::container_traits<Container>::static_size + size
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? (Indexes < pos
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? *sprout::next(sprout::internal_begin(cont), Indexes)
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: Indexes < pos + size
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? *sprout::next(sprout::begin(input), Indexes - pos)
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: *sprout::next(sprout::internal_begin(cont), Indexes - size)
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)
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: typename sprout::container_traits<Result>::value_type()
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)...
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);
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}
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} // namespace detail
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//
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// append
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//
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template<typename Container, typename Input>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::append<Container, Input>::type append(
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Container const& cont,
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typename sprout::container_traits<Container>::const_iterator pos,
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Input const& input
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)
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{
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return sprout::fixed::detail::append_impl<typename sprout::fixed::result_of::append<Container, Input>::type>(
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cont,
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typename sprout::index_range<0, sprout::container_traits<typename sprout::fixed::result_of::append<Container, Input>::type>::static_size>::type(),
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NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::internal_begin(cont), pos),
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sprout::size(input),
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input
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);
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}
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//
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// append
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//
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template<typename Container, typename Input>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::append<Container, Input>::type append(
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Container const& cont,
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typename sprout::container_traits<Container>::difference_type pos,
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Input const& input
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)
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{
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return sprout::fixed::detail::append_impl<typename sprout::fixed::result_of::append<Container, Input>::type>(
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cont,
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typename sprout::index_range<0, sprout::container_traits<typename sprout::fixed::result_of::append<Container, Input>::type>::static_size>::type(),
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NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::internal_begin(cont), sprout::next(sprout::begin(cont), pos)),
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sprout::size(input),
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input
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);
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}
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} // namespace fixed
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namespace result_of {
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using sprout::fixed::result_of::append;
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} // namespace result_of
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using sprout::fixed::append;
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} // namespace sprout
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#endif // #ifndef SPROUT_OPERATION_FIXED_APPEND_HPP
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