[RFA v3] Convert observers to C++

[Tom Tromey]

>>>>> "Joel" == Joel Brobecker <brobecker@adacore.com> writes:

Joel> In the new file gdb/observable.h, I can't help but notice that
Joel> the observer's documentation is less clear than before when
Joel> the observer has some arguments.

That's a good point.

Joel> Is there something C++ can do, for us? Otherwise, would people consider
Joel> the idea of adding the variable name as a comment? Eg:

I think the comments would be fine.
I will try soon to write a patch to do this.

Tom