Iterator
A set of templates to more easily determine the properties of iterator types.
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Iterator concepts
Input
is_input_iterator<T>::value
Is T an input iterator?
is_input_iterator_concept<T>::value
Can T be used as an input iterator?
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Output
is_output_iterator<T>::value
Is T an output iterator?
is_output_iterator_concept<T>::value
Can T be used as an output iterator?
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Forward
is_forward_iterator<T>::value
Is T a forward iterator?
is_forward_iterator_concept<T>::value
Can T be used as an forward iterator?
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Bidirectional
is_bidirectional_iterator<T>::value
Is T a bidirectional iterator?
is_bidirectional_iterator_concept<T>::value
Can T be used as a bidirectional iterator?
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Random
is_random_iterator<T>::value
Is T a random iterator?
is_random_iterator_concept<T>::value
Can T be used as a random iterator?
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Iterator tags
struct input_iterator_tag
struct output_iterator_tag
struct forward_iterator_tag
struct bidirectional_iterator_tag
struct random_access_iterator_tag
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Iterator traits
template <typename TIterator>
struct iterator_traits
Defined types
iterator_category
value_type
difference_type
pointer
reference
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advance
template <typename TIterator, typename TDistance>
ETL_CONSTEXPR17 void advance(TIterator& itr, TDistance n)
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prev
template<typename TIterator>
ETL_CONSTEXPR17 TIterator prev(TIterator itr,
typename etl::iterator_traits<TIterator>::difference_type n = 1)
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next
template<typename TIterator>
ETL_CONSTEXPR17 TIterator next(TIterator itr,
typename etl::iterator_traits<TIterator>::difference_type n = 1)
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distance
template<typename TIterator>
ETL_CONSTEXPR17 typename std::iterator_traits<TIterator>::difference_type
distance(TIterator first, TIterator last)
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iterator
A base class provided to simplify definitions of the required types for iterators.
template <typename TCategory,
typename T,
typename TDistance = ptrdiff_t,
typename TPointer = T* ,
typename TReference = T&>
struct iterator
Defined types
value_type
difference_type
pointer
reference
iterator_category
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reverse_iterator
An iterator adaptor that reverses the direction of a given iterator
template <typename TIterator>
class reverse_iterator
Defined types
iterator_category
value_type
iterator_type
difference_type
pointer
reference
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move_iterator
An iterator adaptor that converts the value returned by the underlying iterator into an rvalue.
C++11 or above.
template <typename TIterator>
class move_iterator
Defined types
iterator_category
value_type
iterator_type
difference_type
pointer
reference