...to have a separate struct which uses RAII to start and stop the stop watch...

...structs could be useful to make some RAII patterns safer too. For instance, think of...

...destructors except in SafeD. It would make RAII only work in SafeD, which would not...

...auto owner = new ResourceOwner;
owner.dispose();

3. RAII:

using (auto owner = new ResourceOwner)
{
    ...
}

The resource...

...of error codes. Particularly when you add RAII and scope into the mix, it's...

...manage their own resources for example through RAII?

We really need an up to date...

...PPT from other conferences too.

In your RAII example you are doing something that's...

...dtor twice. Not a good trait for RAII technique ! :)
Since it's now considered useful...

...to manage the memory manually and do RAII for our own reasons. By all means...

...you can default construct them or your RAII object requires arguments to its constructor, that...