I think this is related: https://github.com/perl6/doc/issues/1400
On 2017-07-01 12:25:39, pe...@mscha.org wrote: > This is OK: > > > say [X] ((1,2,3), (4,5,6)); > ((1 4) (1 5) (1 6) (2 4) (2 5) (2 6) (3 4) (3 5) (3 6)) > > say [X*] ((1,2,3), (4,5,6)); > (4 5 6 8 10 12 12 15 18) > > ... but this is incorrect: > > > say [X] ((1,2,3),); > ((1 2 3)) > > say [X*] ((1,2,3),); > (6) > > Expected output is: > ((1) (2) (3)) > and > ((1) (2) (3)) > > > Note that [*] behaves as expected: > > > say [*] ((1,2,3),(4,5,6)); > 9 > > say [*] ((1,2,3),); > 3 > > ... since this is equivalent to: > > > say [*] (3, 3); > 9 > > say [*] (3,); > 3
