Range-v3
Range algorithms, views, and actions for the Standard Library
Range Concepts

Description

Range concepts

Classes

struct  ranges::bidirectional_range_tag
 
struct  ranges::common_range_tag
 
struct  ranges::contiguous_range_tag
 
struct  ranges::forward_range_tag
 
struct  ranges::input_range_tag
 
struct  ranges::random_access_range_tag
 
struct  ranges::range_tag
 
struct  ranges::sized_range_tag
 

Typedefs

template<typename Rng >
using ranges::common_range_tag_of = std::enable_if_t< range< Rng >, meta::conditional_t< common_range< Rng >, common_range_tag, range_tag > >
 
template<typename Rng >
using ranges::range_tag_of = std::enable_if_t< range< Rng >, meta::conditional_t< contiguous_range< Rng >, contiguous_range_tag, meta::conditional_t< random_access_range< Rng >, random_access_range_tag, meta::conditional_t< bidirectional_range< Rng >, bidirectional_range_tag, meta::conditional_t< forward_range< Rng >, forward_range_tag, meta::conditional_t< input_range< Rng >, input_range_tag, range_tag > >> >> >
 
template<typename Rng >
using ranges::sized_range_tag_of = std::enable_if_t< range< Rng >, meta::conditional_t< sized_range< Rng >, sized_range_tag, range_tag > >
 

Variables

template<typename T >
concept ranges::_range__requires_
 Range concepts below. More...
 
template<typename T >
concept ranges::bidirectional_range
 
template<typename T >
concept ranges::bidirectional_range__concept_ = bidirectional_iterator<iterator_t<T>>
 
template<typename T >
concept ranges::borrowed_range
 
template<typename T >
concept ranges::common_range
 
template<typename T >
concept ranges::common_range__concept_ = same_as<iterator_t<T>, sentinel_t<T>>
 
template<typename T >
concept ranges::contiguous_range
 
template<typename T >
concept ranges::contiguous_range__concept_ = contiguous_iterator<iterator_t<T>> && same_as<detail::data_t<T>, std::add_pointer_t<iter_reference_t<iterator_t<T>>>>
 
template<typename T >
constexpr bool ranges::enable_view
 
template<typename T >
concept ranges::forward_range
 
template<typename T >
concept ranges::forward_range__concept_ = forward_iterator<iterator_t<T>>
 
template<typename T >
concept ranges::input_range
 
template<typename T >
concept ranges::input_range__concept_ = input_iterator<iterator_t<T>>
 
template<typename T , typename V >
concept ranges::output_range
 
template<typename T , typename V >
concept ranges::output_range__concept_ = output_iterator<iterator_t<T>, V>
 
template<typename T >
concept ranges::random_access_range
 
template<typename T >
concept ranges::random_access_range__concept_ = random_access_iterator<iterator_t<T>>
 
template<typename R >
constexpr bool ranges::safe_range = borrowed_range<R>
 
template<typename T >
concept ranges::sized_range
 
template<typename T >
concept ranges::sized_range__requires_
 
template<typename T >
concept ranges::view_
 View concepts below. More...
 
template<typename T >
concept ranges::viewable_range
 

Variable Documentation

◆ _range__requires_

template<typename T >
concept ranges::_range__requires_

#include <range/v3/range/concepts.hpp>

Initial value:
= CPP_REQUIRES_requires `(T & t)
template<typename T>
concept range =
ranges::_range__requires_<T>

Range concepts below.

◆ bidirectional_range

template<typename T >
concept ranges::bidirectional_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
forward_range<T> && ranges::bidirectional_range__concept_<T>

◆ borrowed_range

template<typename T >
concept ranges::borrowed_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
range<T> && detail::_borrowed_range<T>

◆ common_range

template<typename T >
concept ranges::common_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
range<T> && ranges::common_range__concept_<T>

◆ contiguous_range

template<typename T >
concept ranges::contiguous_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
random_access_range<T> && ranges::contiguous_range__concept_<T>

◆ enable_view

template<typename T >
constexpr bool ranges::enable_view
constexpr

#include <range/v3/range/concepts.hpp>

Initial value:
=
ext::enable_view<T>::value

◆ forward_range

template<typename T >
concept ranges::forward_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
input_range<T> && ranges::forward_range__concept_<T>

◆ input_range

template<typename T >
concept ranges::input_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
range<T> && ranges::input_range__concept_<T>

◆ output_range

template<typename T , typename V >
concept ranges::output_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
range<T> && ranges::output_range__concept_<T, V>

◆ random_access_range

template<typename T >
concept ranges::random_access_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
bidirectional_range<T> && ranges::random_access_range__concept_<T>

◆ sized_range

template<typename T >
concept ranges::sized_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
range<T> &&
!disable_sized_range<uncvref_t<T>> &&
ranges::sized_range__requires_<T> &&
ranges::sized_range__concept_<T>

◆ sized_range__requires_

template<typename T >
concept ranges::sized_range__requires_

#include <range/v3/range/concepts.hpp>

Initial value:
= CPP_REQUIRES_requires `(T & t)
template<typename T > concept sized_range__concept_ = detail::integer_like_<range_size_t<T>>

◆ view_

template<typename T >
concept ranges::view_

#include <range/v3/range/concepts.hpp>

Initial value:
=
range<T> &&
semiregular<T> &&
enable_view<T>

View concepts below.

◆ viewable_range

template<typename T >
concept ranges::viewable_range

#include <range/v3/range/concepts.hpp>

Initial value:
=
range<T> &&
(borrowed_range<T> || view_<uncvref_t<T>>)