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64 lines
2.1 KiB
Plaintext
64 lines
2.1 KiB
Plaintext
[/
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Copyright 2010 Neil Groves
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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/]
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[section:search_n search_n]
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[heading Prototype]
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``
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template<class ForwardRange, class Integer, class Value>
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typename range_iterator<ForwardRange>::type
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search_n(ForwardRange& rng, Integer n, const Value& value);
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template<class ForwardRange, class Integer, class Value>
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typename range_iterator<const ForwardRange>::type
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search_n(const ForwardRange& rng, Integer n, const Value& value);
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template<class ForwardRange, class Integer, class Value, class BinaryPredicate>
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typename range_iterator<ForwardRange>::type
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search_n(ForwardRange& rng, Integer n, const Value& value,
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BinaryPredicate binary_pred);
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template<class ForwardRange, class Integer, class Value, class BinaryPredicate>
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typename range_iterator<const ForwardRange>::type
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search_n(const ForwardRange& rng, Integer n, const Value& value,
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BinaryPredicate binary_pred);
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``
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[heading Description]
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`search_n` searches `rng` for a sequence of length `n` equal to `value` where
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equality is determined by operator== in the non-predicate case, and by a
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predicate when one is supplied.
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[heading Definition]
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Defined in the header file `boost/range/algorithm/search_n.hpp`
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[heading Requirements]
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[*For the non-predicate versions:]
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* `ForwardRange` is a model of the __forward_range__ Concept.
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* `ForwardRange`'s value type is a model of the `EqualityComparableConcept`.
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* `ForwardRange`s value type can be compared for equality with `Value`.
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* `Integer` is a model of the `IntegerConcept`.
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[*For the predicate versions:]
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* `ForwardRange` is a model of the __forward_range__ Concept.
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* `BinaryPredicate` is a model of the `BinaryPredicateConcept`.
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* `ForwardRange`'s value type is convertible to `BinaryPredicate`'s first argument type.
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* `Value` is convertible to `BinaryPredicate`'s second argument type.
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* `Integer` is a model of the `IntegerConcept`.
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[heading Complexity]
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Average complexity is Linear. Worst-case complexity is quadratic.
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[endsect]
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