There&#x27;s also <a href="http:&#x2F;&#x2F;p3rl.org&#x2F;Syntax::Feature::Junction" rel="nofollow">http:&#x2F;&#x2F;p3rl.org&#x2F;Syntax::Feature::Junction</a> for perl5, which is a descendant of an early backport of the perl6 concept by Damian.