Editing Generator (computer programming) (section)

===Raku===

Example parallel to Icon uses Raku (formerly/aka Perl 6) Range class as one of several ways to achieve generators with the language.

Printing squares from 0 to 20 can be achieved by writing:
<syntaxhighlight lang="raku">
for (0 .. *).map(* ** 2) -> $i {
    last if $i > 20;
    say $i
}
</syntaxhighlight>

However, most of the time custom generators are implemented with "gather" and "take" keywords in a lazy context.