Constructs a subrange from a pair of iterators.
- Template Parameters
-
| I | The type of iterator contained in the subrange. |
- Parameters
-
| first | An iterator pointing at the first element in the subrange. |
| last | An iterator pointing past the last element of the subrange. |
- Returns
- A subrange
x satisfying x.begin() == first and x.end() == last.