40template <
typename underlying_iterator_t>
43#if SEQAN3_DOXYGEN_ONLY(1) 0
56concept has_iterator_category =
requires () {
typename t::iterator_category; };
59#if SEQAN3_WORKAROUND_GCC_96070
63template <
typename underlying_iterator_t>
64 requires (!has_iterator_category<std::iterator_traits<underlying_iterator_t>>)
65struct maybe_iterator_category<underlying_iterator_t>
67 using iterator_category = void;
72template <
typename underlying_iterator_t>
73 requires has_iterator_category<std::iterator_traits<underlying_iterator_t>>
74struct maybe_iterator_category<underlying_iterator_t>
90template <
typename underling_iterator_t>
95template <
typename underling_iterator_t>
96 requires has_iterator_category<underling_iterator_t>
109template <
typename it_t>
110 requires std::input_or_output_iterator<it_t>
112 std::contiguous_iterator<it_t>,
113 std::contiguous_iterator_tag,
142template <
typename it_t>
150template <
typename it_t>
152struct iter_pointer<it_t>
165template <
typename it_t>
typename iter_pointer< it_t >::type iter_pointer_t
Return the pointer type of the input type (transformation_trait shortcut).
Definition: iterator_traits.hpp:166
The internal SeqAn3 namespace.
Definition: aligned_sequence_concept.hpp:29
This is like std::iter_value_t, but for the pointer type.
Definition: iterator_traits.hpp:144
void type
The pointer type of std::iterator_traits or void.
Definition: iterator_traits.hpp:146
This handles more cases than maybe_iterator_category if you inherit the underling_iterator_t.
Definition: iterator_traits.hpp:92
Defines iterator_category member if underlying_iterator_t has a valid std::iterator_traits::iterator_...
Definition: iterator_traits.hpp:42
MAYBE_PRESENT(std::iterator_traits< underlying_iterator_t >::iterator_category) iterator_category
The iterator category tag. (not always present!)
Definition: iterator_traits.hpp:50