17 #ifndef RANGES_V3_ALGORITHM_UNIQUE_HPP
18 #define RANGES_V3_ALGORITHM_UNIQUE_HPP
31 #include <range/v3/utility/static_const.hpp>
33 #include <range/v3/detail/prologue.hpp>
39 RANGES_FUNC_BEGIN(unique)
50 template(
typename I,
typename S,
typename C =
equal_to,
typename P = identity)(
51 requires sortable<I, C, P> AND sentinel_for<S, I>)
52 constexpr I RANGES_FUNC(unique)(I
first, S last, C pred = C{}, P proj = P{})
54 first = adjacent_find(std::move(
first), last, ranges::ref(pred), ranges::ref(proj));
58 for(I i = next(
first); ++i != last;)
60 *++
first = iter_move(i);
67 template(
typename Rng,
typename C =
equal_to,
typename P = identity)(
68 requires
sortable<iterator_t<Rng>, C, P> AND range<Rng>)
69 constexpr borrowed_iterator_t<Rng>
70 RANGES_FUNC(unique)(Rng && rng, C pred = C{}, P proj = P{})
72 return (*
this)(begin(rng), end(rng), std::move(pred), std::move(proj));
75 RANGES_FUNC_END(unique)
84 #include <range/v3/detail/epilogue.hpp>
CPP_concept sortable
\concept sortable
Definition: concepts.hpp:865
typename Fn::template invoke< Args... > invoke
Evaluate the invocable Fn with the arguments Args.
Definition: meta.hpp:541
front< Pair > first
Retrieve the first element of the pair Pair.
Definition: meta.hpp:2251
bool_< T::type::value==U::type::value > equal_to
A Boolean integral constant wrapper around the result of comparing T::type::value and U::type::value ...
Definition: meta.hpp:237