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