On Tue, Jul 15, 2014 at 12:46:04PM -0700, H. S. Teoh via Digitalmars-d wrote:
> On Tue, Jul 15, 2014 at 07:16:17PM +0000, Martin Krejcirik via Digitalmars-d
> wrote:
> > On Tuesday, 15 July 2014 at 18:50:08 UTC, John Colvin wrote:
> > >and not just because I don't like the comma. I'd say it's generally
> > >bad practice to hide that write to `flag` inside the
> >
> > You are right for the 'final' code, but the point of my example is,
> > that I can move the flag to another if and don't have to change
> > anything else.
> >
> > Also an assignment is not allowed in a condition and without the comma
> > operator, it wouldn't be possible at all. That's way too restrictive.
>
> Not true:
>
> T* ptr;
> if ((ptr = getPtr()) !is null) {
> ...
> }
[...]
Better yet, this syntax is supported:
if (auto ptr = getPtr())
{
// ptr is not null here
}
T
--
Real men don't take backups. They put their source on a public FTP-server and
let the world mirror it. -- Linus Torvalds
