Re: What are values with : called?

On 11/2/25 4:55 PM, Joseph Brenner wrote:
> ToddAndMargo wrote:
> 
>> my Proc $p = run( |@args, :err, :out );
>>
>> What are the values with the ":" in front of them
>> officially called? I take it "thingies with the
>> colon in front of them" does not cut it.
> 
> They're colon-pairs, though you'll also see them called "adverbs" depending on context.
> You could call them adverbs here-- they're flags that turn on different behavior for the output.
> 
>    https://docs.raku.org/routine/run
> 
>      If you want to capture standard output or error instead of having
>      it printed directly you can use the :out or :err arguments, which
>      will make them available using their respective methods: Proc.out
>      and Proc.err.
> 
> 
>         my $proc = run 'echo', 'Raku is Great!', :out, :err;
>         $proc.out.slurp(:close).say; # OUTPUT: «Raku is Great!␤»
>         $proc.err.slurp(:close).say; # OUTPUT: «␤»
> 
> 
> You could see a construct like that used with an argument though, in
> which case it's an "adverbial pair":
> 
>    https://docs.raku.org/syntax/Adverbial%20Pair
> 
> 
> Adverbs get used a lot with regular expressions, where the syntax is different:
> 
>    https://docs.raku.org/syntax/Regex%20adverbs

Thank you!