Multiple return value as requirements for safety and performance

Nicholas Wilson via Digitalmars-d digitalmars-d at puremagic.com
Tue Dec 20 06:04:26 PST 2016


On Tuesday, 20 December 2016 at 13:47:50 UTC, Ilya Yaroshenko 
wrote:
> One good thing for safety and CTFE is allow multiple return 
> value. In combination with `auto ref` it is _very_ powerful:
>
> ----
> auto ref front()
> {
>   // Returns 2 values, each value is returned by reference if 
> possible
>   return (a.front, b.front);
> }
> ----
>
> Mir libs will use pointers for now. This is one of reasons why 
> `zip` is slow.
> The new feature also significantly extends std.range and 
> std.algorithm functionality.
>
> This thread was forked from
> http://forum.dlang.org/post/acdwfbirvoxzrsfyltqd@forum.dlang.org
>
> I am not good in DIPs and hope someone is interested in this 
> feature too

Do tuples work for this?


More information about the Digitalmars-d mailing list