From @moritz

< moritz> nr​: say <a b> X=> [];
<+p6eval> niecza v24-5-g599cbcb​: OUTPUT«"a" => [] "b" => []␤»
<+p6eval> ..rakudo 53daef​: OUTPUT«␤»

< moritz> nr​: say <a b> Z=> [];
<+p6eval> niecza v24-5-g599cbcb​: OUTPUT«"a" => []␤»
<+p6eval> ..rakudo 53daef​: OUTPUT«␤»

In both cases, niecza is right and Rakudo is wrong -- it should treat []
(or {}, for that matter) as a single item, not as an empty flat list.

Cheers,
Moritz

From @FROGGS

FROGGS_> m​: say <a b> X=> [];
camelia> rakudo-moar 866817​: OUTPUT«"a" => [] "b" => []␤»
FROGGS_> m​: say <a b> Z=> [];
camelia> rakudo-moar 866817​: OUTPUT«"a" => []␤»

Test​: Raku/roast@42c8533ab3

@FROGGS - Status changed from 'new' to 'resolved'