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| template<typename I , typename S , typename O , typename BOp  = minus, typename P  = identity> requires sentinel_for<S, I> && differenceable<I, O, BOp, P>
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| adjacent_difference_result< I, O > | operator() (I first, S last, O result, BOp bop=BOp{}, P proj=P{}) const | 
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| template<typename I , typename S , typename O , typename S2 , typename BOp  = minus, typename P  = identity> requires sentinel_for<S, I> && sentinel_for<S2, O> && differenceable<I, O, BOp, P>
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| adjacent_difference_result< I, O > | operator() (I first, S last, O result, S2 end_result, BOp bop=BOp{}, P proj=P{}) const | 
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| template<typename Rng , typename ORef , typename BOp  = minus, typename P  = identity, typename I  = iterator_t<Rng>, typename O  = uncvref_t<ORef>> requires range<Rng> && differenceable<I, O, BOp, P>
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| adjacent_difference_result< borrowed_iterator_t< Rng >, O > | operator() (Rng &&rng, ORef &&result, BOp bop=BOp{}, P proj=P{}) const | 
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| template<typename Rng , typename ORng , typename BOp  = minus, typename P  = identity, typename I  = iterator_t<Rng>, typename O  = iterator_t<ORng>> requires range<Rng> && range<ORng> && differenceable<I, O, BOp, P>
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| adjacent_difference_result< borrowed_iterator_t< Rng >, borrowed_iterator_t< ORng > > | operator() (Rng &&rng, ORng &&result, BOp bop=BOp{}, P proj=P{}) const | 
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