mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
#ifndef SPROUT_CONTAINER_BEGIN_HPP
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#define SPROUT_CONTAINER_BEGIN_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/container/container_traits.hpp>
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#include <sprout/container/container_range_traits.hpp>
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#include <sprout/adl/not_found.hpp>
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namespace sprout_adl {
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sprout::not_found_via_adl range_begin(...);
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} // namespace sprout_adl
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namespace sprout {
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namespace container_detail {
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container>::iterator
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range_begin(Container& cont) {
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return sprout::container_range_traits<Container>::range_begin(cont);
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}
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container const>::iterator
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range_begin(Container const& cont) {
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return sprout::container_range_traits<Container>::range_begin(cont);
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}
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} // namespace container_detail
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//
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// begin
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//
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// effect:
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// ADL callable range_begin(cont) -> range_begin(cont)
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// otherwise -> sprout::container_range_traits<Container>::range_begin(cont)
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// [default]
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// cont.begin()
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//
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container>::iterator
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begin(Container& cont) {
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using sprout::container_detail::range_begin;
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using sprout_adl::range_begin;
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return range_begin(cont);
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}
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container const>::iterator
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begin(Container const& cont) {
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using sprout::container_detail::range_begin;
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using sprout_adl::range_begin;
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return range_begin(cont);
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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]>::iterator
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begin(T (& arr)[N]) {
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return sprout::container_detail::range_begin(arr);
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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]>::iterator
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begin(T const (& arr)[N]) {
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return sprout::container_detail::range_begin(arr);
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}
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//
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// cbegin
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//
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template<typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<Container const>::iterator
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cbegin(Container const& cont) {
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return sprout::begin(cont);
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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]>::iterator
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cbegin(T const (& arr)[N]) {
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return sprout::begin(arr);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CONTAINER_BEGIN_HPP
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