From: Black Ice (yg-boost-users_at_[hidden])
Date: 2003-03-30 22:50:15
Thanks
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"Terje Sletteb?" <tslettebo_at_[hidden]> wrote in message
news:03e401c2f598$0fe168e0$8d6c6f50_at_pc...
> >From: "Black Ice" <yg-boost-users_at_[hidden]>
>
> > lexical_cast.hpp line 145:
> > bool operator<<(const Source &input)
> > {
> > return stream << input;
> > }
> > Convert basic_stringstream & to bool?
>
> Yes. :)
>
> basic_stringstream has a user-defined conversion to void *, which then
> converts to bool, giving the stream state. It has been suggested on the
> Boost list to change this to a more explicit test, though (also to remove
a
> warning for this conversion), such as:
>
> bool operator<<(const Source &input)
> {
> return !(stream << input).fail();
> }
>
>
> Regards,
>
> Terje
>
>
>
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