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87 lines
2.5 KiB
Plaintext
87 lines
2.5 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:max_element max_element]
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[heading Prototype]
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``
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template<class ForwardRange>
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typename range_iterator<ForwardRange>::type
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max_element(ForwardRange& rng);
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template<class ForwardRange>
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typename range_iterator<const ForwardRange>::type
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max_element(const ForwardRange& rng);
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template<class ForwardRange, class BinaryPredicate>
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typename range_iterator<ForwardRange>::type
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max_element(ForwardRange& rng, BinaryPredicate pred);
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template<class ForwardRange, class BinaryPredicate>
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typename range_iterator<const ForwardRange>::type
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max_element(const ForwardRange& rng, BinaryPredicate pred);
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template<
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range_return_value re,
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class ForwardRange
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>
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typename range_return<ForwardRange, re>::type
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max_element(ForwardRange& rng);
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template<
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range_return_value_re,
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class ForwardRange
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>
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typename range_return<const ForwardRange, re>::type
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max_element(const ForwardRange& rng);
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template<
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range_return_value re,
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class ForwardRange,
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class BinaryPredicate
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>
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typename range_return<ForwardRange, re>::type
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max_element(ForwardRange& rng, BinaryPredicate pred);
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template<
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range_return_value re,
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class ForwardRange,
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class BinaryPredicate
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>
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typename range_return<const ForwardRange, re>::type
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max_element(const ForwardRange& rng, BinaryPredicate pred);
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``
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[heading Description]
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The versions of `max_element` that return an iterator, return the iterator to the maximum value as determined by using `operator<` if a predicate is not supplied. Otherwise the predicate `pred` is used to determine the maximum value. The versions of `max_element` that return a `range_return`, defines `found` in the same manner as the returned iterator described above.
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[heading Definition]
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Defined in the header file `boost/range/algorithm/max_element.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 `LessThanComparableConcept`.
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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 both of `BinaryPredicate`'s argument types.
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[heading Complexity]
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Linear. Zero comparisons if `empty(rng)`, otherwise `distance(rng) - 1` comparisons.
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[endsect]
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