Re: [Cppcms-users] app().session().erase() doesn't work or not permitted?

[<ele...@ex...>]

 > You can't do changes in session **after** writing **any** output
> (including just accessing to response().out() without actual I/O)
>

I figured that out while reading the header file for session_interface. Do
you think it may be handy to include that in the doxygen API
documentation? Or maybe have it spit out a warning?

> Because it allows to use lazy evaluation, caching etc... You will not find
> many

Thanks!
Petr