Difference between revisions of "cpp/container/multiset/rend"
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Revision as of 12:09, 2 November 2012
| reverse_iterator rend(); |
(1) | (noexcept since C++11) |
| const_reverse_iterator rend() const; |
(2) | (noexcept since C++11) |
| const_reverse_iterator crend() const noexcept; |
(3) | (since C++11) |
Returns a reverse iterator to the element following the last element of the reversed multiset. It corresponds to the element preceding the first element of the non-reversed multiset. This element acts as a placeholder, attempting to access it results in undefined behavior.
Contents |
Parameters
(none)
Return value
Reverse iterator to the element following the last element.
Complexity
Constant.
Notes
Because both iterator and const_iterator are constant iterators (and may in fact be the same type), it is not possible to mutate the elements of the container through an iterator returned by any of these member functions.
libc++ backports crend() to C++98 mode.
Example
Run this code
#include <iostream> #include <set> int main() { std::multiset<unsigned> rep{1, 2, 3, 4, 1, 2, 3, 4}; for (auto it = rep.crbegin(); it != rep.crend(); ++it) { for (auto n = *it; n > 0; --n) std::cout << "⏼" << ' '; std::cout << '\n'; } }
Output:
⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼ ⏼
See also
| (C++11) |
returns a reverse iterator to the beginning (public member function) |
| (C++14) |
returns a reverse end iterator for a container or array (function template) |
