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[section:concept_checking Concept Checking]
The iterator concept checking classes provide a mechanism for a
template to report better error messages when a user instantiates the
template with a type that does not meet the requirements of the
template. For an introduction to using concept checking classes, see
the documentation for the _concept_check_ library.
[h2 `iterator_concepts.hpp` Synopsis]
namespace boost_concepts {
// Iterator Access Concepts
template <typename Iterator>
class ReadableIteratorConcept;
template <
typename Iterator
, typename ValueType = std::iterator_traits<Iterator>::value_type
>
class WritableIteratorConcept;
template <typename Iterator>
class SwappableIteratorConcept;
template <typename Iterator>
class LvalueIteratorConcept;
// Iterator Traversal Concepts
template <typename Iterator>
class IncrementableIteratorConcept;
template <typename Iterator>
class SinglePassIteratorConcept;
template <typename Iterator>
class ForwardTraversalConcept;
template <typename Iterator>
class BidirectionalTraversalConcept;
template <typename Iterator>
class RandomAccessTraversalConcept;
// Interoperability
template <typename Iterator, typename ConstIterator>
class InteroperableIteratorConcept;
}
[endsect]
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