std::next
From cppreference.com
Defined in header <iterator>
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template< class ForwardIterator > ForwardIterator next( ForwardIterator it, |
(since C++11) | |
Return the nth successor of iterator it.
Equivalent to std::advance(it, n); return it;, that is, advances a copy of the iterator it.
Contents |
[edit] Parameters
it | - | forward iterator |
n | - | number of elements by which a copy of it should be advanced. |
[edit] Return value
The nth successor of iterator it.
[edit] Example
#include <iostream> #include <iterator> #include <vector> int main() { std::vector<int> v{ 3, 1, 4 }; auto it = v.begin(); auto nx = std::next(it, 2); std::cout << *it << ' ' << *nx << '\n'; }
Output:
3 4
[edit] See also
(C++11) |
decrement an iterator (function) |
advances an iterator by given distance (function) |