2011/9/30 Krzysztof Żelechowski <giecrilj@stegny.2a.pl>
I doubt there may be a sequence of length 0 at NULL.  How would you allocate
such a sequence?

I believe this code is valid:

#include <vector>

int main() {
  const int *begin = 0, *end = 0;
  std::vector<int> v(begin, end);
}

NULL pointer is a valid pass-the-end iterator here.

Roman Perepelitsa.