Re: [boost] Re: Re: Re: [iostreams] Major interace changes planned -- commentsrequested

From: Matthew Vogt (mattvogt_at_[hidden])
Date: 2005-03-11 17:07:03

Jonathan Turkanis wrote:

>>struct some_filter // details ommitted
>>{
>>  template<typename Source>
>>  character::value_type get(Source& src)
>>  {
>>    character c;
>>    if (c = boost::io::get(src))
>>    {
>>      // c is good()
>>    };
>>    return c;
>>  }
>>};
> 
> 
> I'm not sure how this works; within some_filter get, do you have to use
> c.value()?
>

No, provided you give the character class all the operators defined for char 
comparison, etc.

> I'm going to try using char converion and a safe-bool conversion, except on
> Borland where the safe-bool conversion will be a plain conversion. If it doesn't
> work, I''ll go back to good().
> 
> Thanks for all your suggestions.
> 
Suggestions are cheap :)

Matt