| Functions | |
| template<typename I , typename S , typename C  = equal_to, typename P  = identity> requires sortable<I, C, P> && sentinel_for<S, I> | |
| constexpr I | ranges::unique (I first, S last, C pred=C{}, P proj=P{}) | 
| template function uniqueMore... | |
| template<typename Rng , typename C  = equal_to, typename P  = identity> requires sortable<iterator_t<Rng>, C, P> && range<Rng> | |
| constexpr borrowed_iterator_t< Rng > | ranges::unique (Rng &&rng, 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. | |