Re: Justification for the "reversed" instruction format
[email protected] (Aaron Sherman) Tue, 6 Sep 2016 12:51:45 -0400
| Newsgroups | perl.perl6.language |
|---|---|
| Message-ID | <CAN=dS7QJU-K+EbTZvdjWcSq5b62vDauVRsES3yL+n7e6-ANHSQ@mail.gmail.com> |
$ perl6 -e 'my @numbers = 1..100; say [-] @numbers; say [R-] @numbers' -5048 -4850 In general, it's kind of pointless with bare infix ops, as you can just reverse the arguments, but when reducing or the like, it becomes much more valuable. On Tue, Sep 6, 2016 at 12:43 PM, Parrot Raiser <[email protected]> wrote: > I've just stumbled across "reversed operators", e.g. say 4 R/ 12; # 3 > in the documentation. I'm curious to know why the language includes > them? I'm having trouble understanding where they would be useful. >