Next in Review Queue: The New std.path

[Jonathan M Davis]

On 2011-07-18 08:08, Lars T. Kyllingstad wrote:
> On Tue, 19 Jul 2011 00:57:44 +1000, Daniel Murphy wrote:
> > "Lars T. Kyllingstad" <public at kyllingen.NOSPAMnet> wrote in message
> > news:j01h2f$2ia$2 at digitalmars.com...
> > 
> >> The specific cases in question are templated functions, where I don't
> >> know whether the array is immutable unless I specifically test it. I
> >> simply used arr.idup, assuming the compiler would optimise away the
> >> duplication when arr is immutable. But it's no big deal to change it
> >> to
> >> 
> >> static if (!is(T == immutable)) return arr.idup;
> >> 
> >> -Lars
> > 
> > Doesn't std.conv.to do this for you?
> 
> It probably does! I hadn't thought about that, but I'll check it out
> now. Thanks!

It does. That's why you should generally use std.conv.to instead of dup or 
idup directly. Really, dup and idup should only be used if you definitely 
_want_ a duplicate. Otherwise, std.conv.to will just (i)dup it when you 
actually need to.

- Jonathan M Davis