mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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74 lines
3.2 KiB
C++
74 lines
3.2 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2019 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_CONTAINER_INDEX_OF_HPP
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#define SPROUT_CONTAINER_INDEX_OF_HPP
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#include <sprout/config.hpp>
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#include <sprout/workaround/std/cstddef.hpp>
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#include <sprout/container/traits_fwd.hpp>
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#include <sprout/container/container_traits.hpp>
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namespace sprout {
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//
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// index_of
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//
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// effect:
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// sprout::container_range_traits<Container>::range_index_of(cont, p)
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// [default]
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// ADL callable range_index_of(cont, p) -> range_index_of(cont, p)
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// [default]
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// Container is T[N] -> p - iterator(cont)
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// otherwise, Container is not const
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// && sprout::is_const_iterator_cast_convertible<const_iterator, iterator>
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// && (callable sprout::as_const(cont).index_of(p)
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// || callable sprout::as_const(cont).begin()
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// || ADL(without sprout) callable begin(sprout::as_const(cont))
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// )
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// -> sprout::index_of(sprout::as_const(cont), sprout::const_iterator_cast<iterator>(p))
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// otherwise, callable cont.index_of(p) -> cont.index_of(p)
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// otherwise -> sprout::distance(sprout::begin(cont), p)
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//
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container>::size_type
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index_of(Container& cont, typename sprout::container_traits<Container>::iterator p) {
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return sprout::container_range_traits<Container>::range_index_of(cont, p);
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}
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container const>::size_type
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index_of(Container const& cont, typename sprout::container_traits<Container const>::iterator p) {
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return sprout::container_range_traits<Container const>::range_index_of(cont, p);
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<T[N]>::size_type
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index_of(T (& arr)[N], typename sprout::container_traits<T[N]>::iterator p) {
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return sprout::container_range_traits<T[N]>::range_index_of(arr, p);
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<T const[N]>::size_type
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index_of(T const (& arr)[N], typename sprout::container_traits<T const[N]>::iterator p) {
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return sprout::container_range_traits<T const[N]>::range_index_of(arr, p);
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}
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//
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// cindex_of
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//
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container const>::size_type
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cindex_of(Container const& cont, typename sprout::container_traits<Container const>::iterator p) {
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return sprout::index_of(cont, p);
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<T const[N]>::size_type
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cindex_of(T const (& arr)[N], typename sprout::container_traits<T const[N]>::iterator p) {
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return sprout::index_of(arr, p);
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}
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} // namespace sprout
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#include <sprout/container/container_range_traits.hpp>
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#endif // #ifndef SPROUT_CONTAINER_INDEX_OF_HPP
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