(git HEAD) std.datetime spewing deprecation messages
Steven Schveighoffer via Digitalmars-d
digitalmars-d at puremagic.com
Fri Jun 6 05:26:10 PDT 2014
On Thu, 05 Jun 2014 18:42:29 -0400, Brad Anderson <eco at gnuk.net> wrote:
> On Thursday, 5 June 2014 at 22:06:02 UTC, monarch_dodra wrote:
>> On Thursday, 5 June 2014 at 08:49:18 UTC, Jonathan M Davis via
>> Digitalmars-d
>>> long days;
>>> int seconds;
>>> short msecs;
>>> d.split!("days", "seconds", "msecs")(&days, &seconds, &msecs);
>>
>> Please don't use pass-by-pointer in D APIs. It makes it a real
>> *nightmare* to ever use the code in a safe context. Besides, we have
>> ref. The only arguments "for" pass by pointer afaik are:
>> - retain existing/C api (1)
>> - allow null pointers (2)
>>
>> (1) is not applicable, I think.
>> (2) would only make sense if split did not have a template parameter,
>> and took "all" arguments, and only filled the non-null ones.
>>
>> So, please make these pass by ref.
>
> Even better than ref would be out which guarantees that the input
> parameter values do not affect the function.
I think that would be 'out'
-Steve
More information about the Digitalmars-d
mailing list