raku has had feed operators like this since its inception # pipeline functional style (1..5) ==> map { $_ * 2 } ==> grep { $_ > 5 } ==> say();

raku has had feed operators like this since its inception # pipeline functional style (1..5) ==> map { $_ * 2 } ==> grep { $_ > 5 } ==> say(); # (6 8 10) # method chain OO style (1..5) .map( * * 2) .grep( * > 5) .say; # (6 8 10) uses ==> and <== for leftward true it is syntax sugar, but often the pipe feed is quite useful to make chaining very obvious https://docs.raku.org/language/operators#infix_==%3E https://docs.raku.org/language/operators#infix_==%3E