Dear Kamil, On 06/13/2014 10:24 PM, Kamil Kułaga wrote: > my %h = categorize({map {[.a , .b]}, $_},@array);
I think the problem is that categorize will call your inner code block for every item in the @array. Then you map your {[.a, .b]} over that item, so you end up with a single-item list as a result. Could that be the problem? Cheers - Timo
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