Initialization of std::vector with a list of consecutive unsigned integers

Question

I want to use a special method to initialize a std::vector which is described in a C++ book I use as a reference (the German book \'Der C++

Answer 1

C++11:

std::vector idxs (n);

std::generate_n (idxs.begin (), n, [] { static int i {1}; return i++; });