Re: A chained exception (base) class for C++

On Apr 30, 4:05 pm, Erik Wikström <Erik-wikst...@[EMAIL PROTECTED]
> wrote:
> On 2008-04-30 18:43, Martin T. wrote:
>> --CODE--
> > [**** Usage would then roughly be like this ***]
> > using namespace std;
> > using namespace my_project_ns;
>
> > void f3e() {
> >    throw std::runtime_error("Any std::exception will do ...");
> > }
>
> > void f2e() {
> >    try {
> >            f3e();
> >    }
> >    catch(std_exc_catch_t e) {
> >            throw chained_exception("My exc", &e);
>
> 1. Did you not want to catch by const reference?

The exception "e" is being caught by const reference. See the typedef
for "std_exc_catch_t":

      typedef const std::exception&     std_exc_catch_t;

> 2. Will not e be destructed when you throw an exception leaving with a
>     dangling pointer in the chained_exception instance?

No.

Greg


-- 
      [ See http://www.gotw.ca/resources/clcm.htm
for info about ]
      [ comp.lang.c++.moderated.    First time posters: Do this! ]