28namespace seqan3::detail
33concept has_range_value_type =
requires {
typename std::ranges::range_value_t<std::remove_cvref_t<t>>; };
38template <
bool const_range,
typename range_t>
43template <
bool const_range,
typename range_t>
44using maybe_const_iterator_t = std::ranges::iterator_t<maybe_const_range_t<const_range, range_t>>;
48template <
bool const_v,
typename range_t>
49using maybe_const_sentinel_t = std::ranges::sentinel_t<maybe_const_range_t<const_v, range_t>>;
53template <
typename unary_predicate_fn_t,
typename urng_t>
54concept indirect_unary_predicate_on_range = std::ranges::range<urng_t> &&
55 std::indirect_unary_predicate<unary_predicate_fn_t,
56 std::ranges::iterator_t<urng_t>>;
79 requires detail::has_range_value_type<t>
84 using type = std::ranges::range_value_t<std::remove_cvref_t<t>>;
89 requires detail::has_range_value_type<t> && detail::has_range_value_type<std::ranges::range_value_t<std::remove_cvref_t<t>>>
117 requires detail::has_range_value_type<t>
123 requires detail::has_range_value_type<t> && detail::has_range_value_type<std::ranges::range_value_t<std::remove_cvref_t<t>>>
124constexpr size_t range_dimension_v<t> = range_dimension_v<std::ranges::range_value_t<std::remove_cvref_t<t>>> + 1;
Provides various type traits on generic types.
constexpr size_t range_dimension_v
Returns the number of times you can call seqan3::value_type_t recursively on t (type trait).
Definition: type_traits.hpp:119
typename range_innermost_value< t >::type range_innermost_value_t
Shortcut for seqan3::range_innermost_value (transformation_trait shortcut).
Definition: type_traits.hpp:100
Provides various transformation traits for use on iterators.
The main SeqAn3 namespace.
Definition: aligned_sequence_concept.hpp:29
The <ranges> header from C++20's standard library.
Recursively determines the value_type on containers and/or iterators.
Definition: type_traits.hpp:82
std::ranges::range_value_t< std::remove_cvref_t< t > > type
The return type (recursion not shown).
Definition: type_traits.hpp:84