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all_of.hpp
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1
2// Range v3 library
3//
4// Copyright Andrew Sutton 2014
5//
6// Use, modification and distribution is subject to the
7// Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// Project home: https://github.com/ericniebler/range-v3
12//
13#ifndef RANGES_V3_ALGORITHM_ALL_OF_HPP
14#define RANGES_V3_ALGORITHM_ALL_OF_HPP
15
16#include <utility>
17
19
27#include <range/v3/utility/static_const.hpp>
28
29#include <range/v3/detail/prologue.hpp>
30
31namespace ranges
32{
35 RANGES_FUNC_BEGIN(all_of)
36
37
38 template(typename I, typename S, typename F, typename P = identity)(
39 requires input_iterator<I> AND sentinel_for<S, I> AND
40 indirect_unary_predicate<F, projected<I, P>>)
41 constexpr bool RANGES_FUNC(all_of)(I first, S last, F pred, P proj = P{}) //
42 {
43 for(; first != last; ++first)
44 if(!invoke(pred, invoke(proj, *first)))
45 break;
46 return first == last;
47 }
48
50 template(typename Rng, typename F, typename P = identity)(
51 requires input_range<Rng> AND
53 constexpr bool RANGES_FUNC(all_of)(Rng && rng, F pred, P proj = P{}) //
54 {
55 return (*this)(begin(rng), end(rng), std::move(pred), std::move(proj));
56 }
57
58 RANGES_FUNC_END(all_of)
59
60 namespace cpp20
61 {
62 using ranges::all_of;
63 }
65} // namespace ranges
66
67#include <range/v3/detail/epilogue.hpp>
68
69#endif
The indirect_unary_predicate concept.
The input_iterator concept.
The input_range concept.
The sentinel_for concept.
decltype(begin(declval(Rng &))) iterator_t
Definition access.hpp:698
Definition identity.hpp:25