reverse_iterator rend();
const_reverse_iterator rend() const;
Return reverse iterator to reverse end
Returns a reverse iterator referring to the element right before the first element in the deque container, which is considered its reverse end.
rend refers to the character right before the one that would be referred to by member begin.
Parameters
none
Return Value
A reverse iterator to the reverse end of the sequence.
Both reverse_iterator and const_reverse_iterator are member types. In the deque class template, these are reverse random access iterators, defined as reverse_iterator<iterator> and reverse_iterator<const_iterator> respectively.
Example
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// deque::rbegin/rend
#include <iostream>
#include <deque>
using namespace std;
int main ()
{
deque<int> mydeque;
deque<int>::reverse_iterator rit;
for (int i=1; i<=5; i++) mydeque.push_back(i);
cout << "mydeque contains:";
rit = mydeque.rbegin();
while ( rit < mydeque.rend() )
{
cout << " " << *rit;
++rit;
}
cout << endl;
return 0;
}
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Notice how the reverse iterator iterates through the deque container in a reverse way by increasing the iterator, and how this is compared against deque::rend in the loop.
Output:
Complexity
Constant.
See also
deque::rbegin | Return reverse iterator to reverse beginning (public member function) |
deque::begin | Return iterator to beginning (public member function) |
deque::end | Return iterator to end (public member function) |
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