tmp/tmp87vck63n/{from.md → to.md}
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| 1 |
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#### Class template `adjacent_view::sentinel` <a id="range.adjacent.sentinel">[[range.adjacent.sentinel]]</a>
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``` cpp
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namespace std::ranges {
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template<forward_range V, size_t N>
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requires view<V> && (N > 0)
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template<bool Const>
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class adjacent_view<V, N>::sentinel {
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using Base = maybe-const<Const, V>; // exposition only
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sentinel_t<Base> end_ = sentinel_t<Base>(); // exposition only
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constexpr explicit sentinel(sentinel_t<Base> end); // exposition only
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public:
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sentinel() = default;
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constexpr sentinel(sentinel<!Const> i)
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requires Const && convertible_to<sentinel_t<V>, sentinel_t<Base>>;
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template<bool OtherConst>
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requires sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>
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friend constexpr bool operator==(const iterator<OtherConst>& x, const sentinel& y);
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template<bool OtherConst>
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requires sized_sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>
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friend constexpr range_difference_t<maybe-const<OtherConst, V>>
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operator-(const iterator<OtherConst>& x, const sentinel& y);
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template<bool OtherConst>
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requires sized_sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>
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friend constexpr range_difference_t<maybe-const<OtherConst, V>>
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operator-(const sentinel& y, const iterator<OtherConst>& x);
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};
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}
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```
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``` cpp
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constexpr explicit sentinel(sentinel_t<Base> end);
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```
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*Effects:* Initializes *end\_* with `end`.
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``` cpp
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constexpr sentinel(sentinel<!Const> i)
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requires Const && convertible_to<sentinel_t<V>, sentinel_t<Base>>;
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```
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*Effects:* Initializes *end\_* with `std::move(i.`*`end_`*`)`.
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``` cpp
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template<bool OtherConst>
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requires sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>
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friend constexpr bool operator==(const iterator<OtherConst>& x, const sentinel& y);
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```
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*Effects:* Equivalent to:
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`return x.`*`current_`*`.back() == y.`*`end_`*`;`
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``` cpp
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template<bool OtherConst>
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requires sized_sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>
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friend constexpr range_difference_t<maybe-const<OtherConst, V>>
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operator-(const iterator<OtherConst>& x, const sentinel& y);
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```
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*Effects:* Equivalent to:
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`return x.`*`current_`*`.back() - y.`*`end_`*`;`
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``` cpp
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template<bool OtherConst>
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requires sized_sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>
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friend constexpr range_difference_t<maybe-const<OtherConst, V>>
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operator-(const sentinel& y, const iterator<OtherConst>& x);
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```
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*Effects:* Equivalent to:
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`return y.`*`end_`*` - x.`*`current_`*`.back();`
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