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Returns a const_reverse_iterator pointing to the last element in the container (i.e., its reverse beginning).
Member type const_reverse_iterator is a reverse random access iterator type that points to a const element (see deque member types).
Output:
No contained elements are accessed by the call, but the iterator returned can be used to access them. Concurrently accessing or modifying different elements is safe.
The copy construction or assignment of the returned iterator is also guaranteed to never throw.
Reference
C library:
- <cassert> (assert.h)
- <cctype> (ctype.h)
- <cerrno> (errno.h)
-
<cfenv> (fenv.h)C++11
- <cfloat> (float.h)
-
<cinttypes> (inttypes.h)C++11
- <ciso646> (iso646.h)
- <climits> (limits.h)
- <clocale> (locale.h)
- <cmath> (math.h)
- <csetjmp> (setjmp.h)
- <csignal> (signal.h)
- <cstdarg> (stdarg.h)
-
<cstdbool> (stdbool.h)C++11
- <cstddef> (stddef.h)
-
<cstdint> (stdint.h)C++11
- <cstdio> (stdio.h)
- <cstdlib> (stdlib.h)
- <cstring> (string.h)
-
<ctgmath> (tgmath.h)C++11
- <ctime> (time.h)
-
<cuchar> (uchar.h)C++11
- <cwchar> (wchar.h)
- <cwctype> (wctype.h)
Containers:
-
<array>C++11
- <deque>
-
<forward_list>C++11
- <list>
- <map>
- <queue>
- <set>
- <stack>
-
<unordered_map>C++11
-
<unordered_set>C++11
- <vector>
-
Input/Output:
Multi-threading:
-
<atomic>C++11
-
<condition_variable>C++11
-
<future>C++11
-
<mutex>C++11
-
<thread>C++11
-
Other:
- <algorithm>
- <bitset>
-
<chrono>C++11
-
<codecvt>C++11
- <complex>
- <exception>
- <functional>
-
<initializer_list>C++11
- <iterator>
- <limits>
- <locale>
- <memory>
- <new>
- <numeric>
-
<random>C++11
-
<ratio>C++11
-
<regex>C++11
- <stdexcept>
- <string>
-
<system_error>C++11
-
<tuple>C++11
-
<type_traits>C++11
-
<typeindex>C++11
- <typeinfo>
- <utility>
- <valarray>
deque
- deque::~deque
- deque::deque
member functions
- deque::assign
- deque::at
- deque::back
- deque::begin
-
deque::cbeginC++11
-
deque::cendC++11
- deque::clear
-
deque::crbeginC++11
-
deque::crendC++11
-
deque::emplaceC++11
-
deque::emplace_backC++11
-
deque::emplace_frontC++11
- deque::empty
- deque::end
- deque::erase
- deque::front
- deque::get_allocator
- deque::insert
- deque::max_size
- deque::operator[]
- deque::operator=
- deque::pop_back
- deque::pop_front
- deque::push_back
- deque::push_front
- deque::rbegin
- deque::rend
- deque::resize
-
deque::shrink_to_fitC++11
- deque::size
- deque::swap
non-member overloads
public member function
<deque>
std::deque::crbegin
const_reverse_iterator crbegin() const noexcept;
Return const_reverse_iterator to reverse beginning
Parameters
noneReturn Value
A const_reverse_iterator to the reverse beginning of the sequence.Member type const_reverse_iterator is a reverse random access iterator type that points to a const element (see deque member types).
Example
|
|
Output:
mydeque backwards: 5 4 3 2 1 |
Complexity
Constant.Iterator validity
No changes.Data races
The container is accessed.No contained elements are accessed by the call, but the iterator returned can be used to access them. Concurrently accessing or modifying different elements is safe.
Exception safety
No-throw guarantee: this member function never throws exceptions.The copy construction or assignment of the returned iterator is also guaranteed to never throw.
See also
- deque::begin
- Return iterator to beginning (public member function)
- deque::crend
- Return const_reverse_iterator to reverse end (public member function)
- deque::rbegin
- Return reverse iterator to reverse beginning (public member function)
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Spotted an error? contact us