mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
#ifndef SPROUT_OPERATION_FIXED_SET_HPP
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#define SPROUT_OPERATION_FIXED_SET_HPP
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/metafunction.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/container/indexes.hpp>
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#include <sprout/iterator/operation.hpp>
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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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// set
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//
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template<typename Container, typename T>
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struct set {
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public:
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typedef typename sprout::container_construct_traits<Container>::copied_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 T, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR Result
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set_impl(
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Container const& cont, sprout::index_tuple<Indexes...>,
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typename sprout::container_traits<Container>::difference_type pos, T const& v
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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),
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(Indexes != pos
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? *sprout::next(sprout::internal_begin(cont), Indexes)
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: v
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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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// set
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//
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template<typename Container, typename T>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::set<Container, T>::type
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set(Container const& cont, typename sprout::container_traits<Container>::const_iterator pos, T const& v) {
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return sprout::fixed::detail::set_impl<typename sprout::fixed::result_of::set<Container, T>::type>(
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cont,
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sprout::container_indexes<typename sprout::fixed::result_of::set<Container, T>::type>::make(),
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sprout::distance(sprout::internal_begin(cont), pos),
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v
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);
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}
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template<typename Container, typename T>
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::set<Container, T>::type
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set(Container const& cont, typename sprout::container_traits<Container>::difference_type pos, T const& v) {
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return sprout::fixed::detail::set_impl<typename sprout::fixed::result_of::set<Container, T>::type>(
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cont,
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sprout::container_indexes<typename sprout::fixed::result_of::set<Container, T>::type>::make(),
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sprout::distance(sprout::internal_begin(cont), sprout::next(sprout::begin(cont), pos)),
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v
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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::set;
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} // namespace result_of
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using sprout::fixed::set;
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} // namespace sprout
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#endif // #ifndef SPROUT_OPERATION_FIXED_SET_HPP
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