Re: [boost] [tokenizer] is exception unaware

From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2006-07-18 08:42:36

Philippe Vaucher wrote:

>but what you can do to get the info is :
>
>       if(std::distance(tok.begin(), tok.end()) < 3)
>       {
>               std::cout << "not enough arguments\n";
>               exit(1);
>       }
>
>       arg1=*pos++;
>       arg2=*pos++;
>       arg3=*pos++;
>  
>
Alternatively, you could write a next() function:

template<typename It>
inline typename std::iterator_traits<It>::value_type next(It &first, It 
&last)
{
  if(first == last) {
    throw something;
  }
  return *first++;
}

And then just do:

arg1 = next(pos, end);
arg2 = next(pos, end);
arg3 = next(pos, end);

Sebastian Redl