57 lines
3.6 KiB
Markdown
57 lines
3.6 KiB
Markdown
[alg.all.of]
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# 26 Algorithms library [[algorithms]](./#algorithms)
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## 26.6 Non-modifying sequence operations [[alg.nonmodifying]](alg.nonmodifying#alg.all.of)
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### 26.6.1 All of [alg.all.of]
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[ð](#lib:all_of)
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`template<class InputIterator, class Predicate>
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constexpr bool all_of(InputIterator first, InputIterator last, Predicate pred);
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template<class ExecutionPolicy, class ForwardIterator, class Predicate>
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bool all_of(ExecutionPolicy&& exec, ForwardIterator first, ForwardIterator last,
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Predicate pred);
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template<[input_iterator](iterator.concept.input#concept:input_iterator "24.3.4.9 Concept input_iterator [iterator.concept.input]") I, [sentinel_for](iterator.concept.sentinel#concept:sentinel_for "24.3.4.7 Concept sentinel_for [iterator.concept.sentinel]")<I> S, class Proj = identity,
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[indirect_unary_predicate](indirectcallable.indirectinvocable#concept:indirect_unary_predicate "24.3.6.3 Indirect callables [indirectcallable.indirectinvocable]")<projected<I, Proj>> Pred>
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constexpr bool ranges::all_of(I first, S last, Pred pred, Proj proj = {});
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template<[input_range](range.refinements#concept:input_range "25.4.6 Other range refinements [range.refinements]") R, class Proj = identity,
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[indirect_unary_predicate](indirectcallable.indirectinvocable#concept:indirect_unary_predicate "24.3.6.3 Indirect callables [indirectcallable.indirectinvocable]")<projected<iterator_t<R>, Proj>> Pred>
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constexpr bool ranges::all_of(R&& r, Pred pred, Proj proj = {});
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template<[execution-policy](algorithms.parallel.defns#concept:execution-policy "26.3.1 Preamble [algorithms.parallel.defns]") Ep, [random_access_iterator](iterator.concept.random.access#concept:random_access_iterator "24.3.4.13 Concept random_access_iterator [iterator.concept.random.access]") I, [sized_sentinel_for](iterator.concept.sizedsentinel#concept:sized_sentinel_for "24.3.4.8 Concept sized_sentinel_for [iterator.concept.sizedsentinel]")<I> S,
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class Proj = identity, [indirect_unary_predicate](indirectcallable.indirectinvocable#concept:indirect_unary_predicate "24.3.6.3 Indirect callables [indirectcallable.indirectinvocable]")<projected<I, Proj>> Pred>
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bool ranges::all_of(Ep&& exec, I first, S last, Pred pred, Proj proj = {});
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template<[execution-policy](algorithms.parallel.defns#concept:execution-policy "26.3.1 Preamble [algorithms.parallel.defns]") Ep, [sized-random-access-range](range.refinements#concept:sized-random-access-range "25.4.6 Other range refinements [range.refinements]") R, class Proj = identity,
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[indirect_unary_predicate](indirectcallable.indirectinvocable#concept:indirect_unary_predicate "24.3.6.3 Indirect callables [indirectcallable.indirectinvocable]")<projected<iterator_t<R>, Proj>> Pred>
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bool ranges::all_of(Ep&& exec, R&& r, Pred pred, Proj proj = {});
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L4408)
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Let E be:
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- [(1.1)](#1.1)
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pred(*i) for the overloads in namespace std;
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- [(1.2)](#1.2)
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invoke(pred, invoke(proj, *i)) for the overloads in namespace ranges[.](#1.sentence-1)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L4418)
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*Returns*: false if E is false for some iterator i in the range [first, last), andtrue otherwise[.](#2.sentence-1)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L4424)
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*Complexity*: At most last - first applications of the predicate and any projection[.](#3.sentence-1)
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