On Mon, May 11, 2009 at 5:00 PM, RT Mistler <rtmistler@xxxxxxxxxx> wrote:
> Hi,
>
> I've been looking at some kernel modules trying to map an embedded
> devices resources and while going through a driver, I encountered an
> "if" test that employed "!!", example:
>
> if !!function_foo(args) {
> ...
> }
>
> What does the "!!" do? (I'm familiar with a single "!")
IIANM, it does "!" and then does "!" again, forcing boolean value,
true or false.
-Bob
--
To unsubscribe from this list: send an email with
"unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx
Please read the FAQ at http://kernelnewbies.org/FAQ
