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Postings from March 2021
But why do that when you can add a CALL-ME to the number classes that does
multiplication? 😇
Int.^add_fallback(
{$^i.defined && $^m eq 'CALL-ME'},
-> $, $ { * * * }
);
say 5(4); # 20
On Tue, Mar 2, 2021, 09:08 Daniel Sockwell <daniel@codesections.com> wrote:
> Kevin Pye <kevin.pye@gmail.com> wrote:
> > Just because mathematics allows an implied multiplication doesn't mean
> Raku does -- in fact I can't
> > think of any programming language which does.
>
> As a (potentially) interesting side note, while Raku doesn't provide
> implied multiplication, it _is_
> one of the few programming languages that would let you implement
> something very similar yourself:
> sub infix:«\c[INVISIBLE TIMES]» { $^a × $^b }
>
> This would let you write `say 60÷5(7−5)` (with an invisible character
> between the `5` and the `(` )
> and get the expected result.
>
> Doing so would, of course, be a very bad idea. But still, you _could_.
>
> Source:
>
> https://perl6advent.wordpress.com/2017/12/01/the-grinch-of-perl-6-a-practical-guide-to-ruining-christmas/
>
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