class Component { has @.in; has @.out; method run { my $zip = Supply.zip(|@!in); @!out.push: $zip.map: -> [ $a, $b ] { $a div $b } @!out.push: $zip.map: -> [ $a, $b ] { $a % $b } } } my $c = Component.new: :in[Supply.from-list(10 .. 19), Supply.from-list(1 .. 10)]; $c.run; $c.out[0].tap: -> $val { say "s1: $val" }; $c.out[1].tap: -> $val { say "s2: $val" }