b2gills

  ( 2..∞ ).grep( *.is-prime )

  2, 4, 8 ... *

  2, 4, 8, * × 2 ... *

  2, 4, 9 ... *

  Unable to deduce arithmetic or geometric sequence from: 2, 4, 9
  Did you really mean '..'?
  in block at ./example.raku line 1

  say [+] 1..10000000000000000000000000000000000000000000

  role Singleton {
    method new (|) {
      once callsame
    }
  }

  class Foo does Singleton {
    has $.n is required
  }

  say Foo.new( n => 1 ).n;
  say Foo.new( n => 2 ).n;

  my $string = 'AAABBBCCC';

  say $string ~~ /
    ^

    # match at least one A
    # store the result in a named sub-entry
    $<A> = [ A+ ]

    {} # update result object

    # create a lexical var named $repetition
    :my $repetition = $<A>.chars(); # <- embedded Raku syntax

    # match B and then C exactly $repetition times
    $<B> = [ B ** {$repetition} ]
    $<C> = [ C ** {$repetition} ]
  
    $
  /;

  ｢AAABBBCCC｣
  A => ｢AAA｣
  B => ｢BBB｣
  C => ｢CCC｣

    while (<>) { ($h{$_}++ == 1) && push (@outputarray, $_); };

    my @output-array = lines.unique;

    for @a { .say }

    my $lambda = { .say }

    @a.map( $lambda );

    for @a -> $item { say $item }

    if $a.method() -> $result { say $result }

    my $lambda = -> $result { say $result }

    use v5.30;

    use v2019;

    use Perl v2019;