std::common_type<std::basic_const_iterator>

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Standard library
Standard library headers
Named requirements
Feature test macros(C++20)
Language support library
Concepts library(C++20)
Diagnostics library
Memory management library
Metaprogramming library(C++11)
General utilities library
Containers library
Iterators library
Ranges library(C++20)
Algorithms library
Strings library
Text processing library
Numerics library
Date and time library
Input/output library
Filesystem library(C++17)
Concurrency support library(C++11)
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Iterator library

Iterator concepts

indirectly_readable (C++20)
indirectly_writable (C++20)
weakly_incrementable (C++20)
incrementable (C++20)
is-integer-like is-signed-integer-like (C++20)(C++20)

sentinel_for (C++20)
sized_sentinel_for (C++20)
input_iterator (C++20)
output_iterator (C++20)
input_or_output_iterator (C++20)

forward_iterator (C++20)
bidirectional_iterator (C++20)
random_access_iterator (C++20)
contiguous_iterator (C++20)

Iterator primitives

input_iterator_tagoutput_iterator_tagforward_iterator_tagbidirectional_iterator_tagrandom_access_iterator_tagcontiguous_iterator_tag

(C++20)

iter_value_titer_difference_titer_reference_titer_const_reference_titer_rvalue_reference_titer_common_reference_t

(C++20)(C++20)(C++20)(C++23)(C++20)(C++20)

iterator (deprecated in C++17)
iterator_traits
incrementable_traits (C++20)
indirectly_readable_traits (C++20)

Algorithm concepts and utilities

Indirect callable concepts

indirectly_unary_invocableindirectly_regular_unary_invocable

(C++20)(C++20)

indirect_unary_predicate (C++20)
indirect_binary_predicate (C++20)

indirect_equivalence_relation (C++20)
indirect_strict_weak_order (C++20)

Common algorithm requirements

indirectly_movable (C++20)
indirectly_movable_storable (C++20)
indirectly_copyable (C++20)

indirectly_copyable_storable (C++20)
indirectly_swappable (C++20)
indirectly_comparable (C++20)

permutable (C++20)
mergeable (C++20)
sortable (C++20)

(C++20)

(C++20)

(C++26)

reverse_iterator
make_reverse_iterator (C++14)
move_iterator (C++11)
make_move_iterator (C++11)
default_sentinel_tdefault_sentinel (C++20)(C++20)
unreachable_sentinel_tunreachable_sentinel (C++20)(C++20)

front_insert_iterator
back_insert_iterator
inserter
insert_iterator
front_inserter
back_inserter
move_sentinel (C++20)

common_iterator (C++20)
counted_iterator (C++20)
basic_const_iterator (C++23)
const_iterator (C++23)
const_sentinel (C++23)
make_const_iterator (C++23)
make_const_sentinel (C++23)

Stream iterators

istream_iterator
ostream_iterator

istreambuf_iterator
ostreambuf_iterator

Iterator customization points
ranges::iter_move (C++20)
ranges::iter_swap (C++20)

Iterator operations

advance
distance
prev (C++11)
next (C++11)

ranges::advance (C++20)
ranges::distance (C++20)
ranges::prev (C++20)
ranges::next (C++20)

Range access

begincbegin (C++11)(C++14)
rbegincrbegin (C++14)(C++14)

endcend (C++11)(C++14)
rendcrend (C++14)(C++14)

sizessize (C++17)(C++20)
empty (C++17)
data (C++17)

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std::basic_const_iterator

Member functions
basic_const_iterator::basic_const_iterator
basic_const_iterator::base
basic_const_iterator::operator*basic_const_iterator::operator->
basic_const_iterator::operator[]
basic_const_iterator::operator++basic_const_iterator::operator+=basic_const_iterator::operator--basic_const_iterator::operator-=
basic_const_iterator::operator==basic_const_iterator::operator<basic_const_iterator::operator<=basic_const_iterator::operator>basic_const_iterator::operator>=basic_const_iterator::operator<=>
basic_const_iterator::operatorconstant-iterator
Non-member functions
operator<operator<=operator>operator>= (C++23)(C++23)(C++23)(C++23)
operator+ (C++23)
operator- (C++23)
iter_move(std::basic_const_iterator) (C++23)
Helper classes
common_type<std::basic_const_iterator> (C++23)

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Defined in header`<iterator>`
template<class T,std::common_with<T> U> requiresstd::input_iterator<std::common_type_t<T, U>> struct common_type<std::basic_const_iterator<T>, U>;	(1)	(since C++23)
template<class T,std::common_with<T> U> requiresstd::input_iterator<std::common_type_t<T, U>> struct common_type<U,std::basic_const_iterator<T>>;	(2)	(since C++23)
template<class T,std::common_with<T> U> requiresstd::input_iterator<std::common_type_t<T, U>> struct common_type<std::basic_const_iterator<T>, std::basic_const_iterator<U>>;	(3)	(since C++23)

The common type of twobasic_const_iterators or abasic_const_iterator and another iterator type is abasic_const_iterator of the common underlying type.

The common type is defined only ifT andU share a common type which modelsinput_iterator.