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| template<typename I , typename S , typename C  = less, typename P  = identity> requires random_access_iterator<I> && sortable<I, C, P>
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| constexpr I | ranges::nth_element (I first, I nth, S end_, C pred=C{}, P proj=P{}) | 
|  | function template nth_element
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| template<typename Rng , typename C  = less, typename P  = identity> requires random_access_range<Rng> && sortable<iterator_t<Rng>, C, P>
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| constexpr borrowed_iterator_t< Rng > | ranges::nth_element (Rng &&rng, iterator_t< Rng > nth, C pred=C{}, P proj=P{}) | 
|  | This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. 
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