[boost] Re: concept archetypes

From: Kevin S. Van Horn (Kevin.VanHorn_at_[hidden])
Date: 2002-10-16 21:17:47

Douglas Gregor writes:

> there are yet more subtle errors (this one from the Comeau standard
> library, libcomo) that aren't caught by the concept checks library:
>
>  template <class _InputIter, class _Predicate>
>  inline _InputIter find_if(_InputIter __first, _InputIter __last,
>                            _Predicate __pred,
>                            input_iterator_tag)
>  {
>    while (__first != __last && !__pred(*__first))
>      ++__first;
>    return __first;
>  }

OK, I'm stumped.  What's wrong with the above code?  (The GNU libstdc++ 
code is identical.)