no vector::at(int )?

[llewelly@dbritsch.dsl.xmission.com]

On Fri, 28 Apr 2000, Matthew Evett wrote:

> 
> The standard vector template does not seem to support the at(int )
> method, part of the ANSI STL standard.  No doubt this is already
> documented, but what the heck...
> 

vector<>::at() is currently implemented in libstdc++-v3, which will
  (hopefully) be the c++ library for the next major release of gcc.

libstdc++-v3 is currently experimental (not ready for production use),
  but you can get it from sourceware.cygnus.com/libstdc++

[snip]