cppdraft_translate/cppdraft/range/join/sentinel.md

[range.join.sentinel]

25 Ranges library [ranges]

25.7 Range adaptors [range.adaptors]

25.7.14 Join view [range.join]

25.7.14.4 Class template join_view​::​sentinel [range.join.sentinel]

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namespace std::ranges {template<input_range V>requires view && input_range<range_reference_t>templatestruct join_view::sentinel {private:using Parent = maybe-const<Const, join_view>; // exposition onlyusing Base = maybe-const<Const, V>; // exposition only sentinel_t<Base> end_ = sentinel_t<Base>(); // exposition onlypublic:sentinel() = default; constexpr explicit sentinel(Parent& parent); constexpr sentinel(sentinel s)requires Const && convertible_to<sentinel_t, sentinel_t<Base>>; templaterequires sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>friend constexpr bool operator==(const iterator& x, const sentinel& y); };}

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constexpr explicit sentinel(Parent& parent);

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Effects: Initializes end_ with ranges​::​end(parent.base_).

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constexpr sentinel(sentinel<!Const> s) requires Const && [convertible_to](concept.convertible#concept:convertible_to "18.4.4 Concept convertible_­to [concept.convertible]")<sentinel_t<V>, sentinel_t<Base>>;

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Effects: Initializes end_ with std​::​move(s.end_).

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template<bool OtherConst> requires [sentinel_for](iterator.concept.sentinel#concept:sentinel_for "24.3.4.7 Concept sentinel_­for [iterator.concept.sentinel]")<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>> friend constexpr bool operator==(const iterator<OtherConst>& x, const sentinel& y);

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Effects: Equivalent to: return x.outer() == y.end_;