cppdraft_translate/cppdraft/range/cache/latest/view.md

[range.cache.latest.view]

25 Ranges library [ranges]

25.7 Range adaptors [range.adaptors]

25.7.34 Cache latest view [range.cache.latest]

25.7.34.2 Class template cache_latest_view [range.cache.latest.view]

namespace std::ranges {template<input_range V>requires viewclass cache_latest_view : public view_interface<cache_latest_view> { V base_ = V(); // exposition onlyusing cache-t = conditional_t<is_reference_v<range_reference_t>, // exposition only add_pointer_t<range_reference_t>, range_reference_t>; non-propagating-cache<cache-t> cache_; // exposition only// [range.cache.latest.iterator], class cache_latest_view​::​iteratorclass iterator; // exposition only// [range.cache.latest.sentinel], class cache_latest_view​::​sentinelclass sentinel; // exposition onlypublic: cache_latest_view() requires default_initializable = default; constexpr explicit cache_latest_view(V base); constexpr V base() const & requires copy_constructible { return base_; }constexpr V base() && { return std::move(base_); }constexpr auto begin(); constexpr auto end(); constexpr auto size() requires sized_range; constexpr auto size() const requires sized_range; constexpr auto reserve_hint() requires approximately_sized_range; constexpr auto reserve_hint() const requires approximately_sized_range; }; template cache_latest_view(R&&) -> cache_latest_view<views::all_t>;}

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constexpr explicit cache_latest_view(V base);

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Effects: Initializes base_ with std​::​move(base).

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constexpr auto begin();

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Effects: Equivalent to: return iterator(*this);

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constexpr auto end();

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Effects: Equivalent to: return sentinel(*this);

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constexpr auto size() requires [sized_range](range.sized#concept:sized_range "25.4.4 Sized ranges [range.sized]")<V>; constexpr auto size() const requires [sized_range](range.sized#concept:sized_range "25.4.4 Sized ranges [range.sized]")<const V>;

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Effects: Equivalent to: return ranges​::​size(base_);

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constexpr auto reserve_hint() requires [approximately_sized_range](range.approximately.sized#concept:approximately_sized_range "25.4.3 Approximately sized ranges [range.approximately.sized]")<V>; constexpr auto reserve_hint() const requires [approximately_sized_range](range.approximately.sized#concept:approximately_sized_range "25.4.3 Approximately sized ranges [range.approximately.sized]")<const V>;

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Effects: Equivalent to: return ranges​::​reserve_hint(base_);