my @array =
    [ qw/ 1 1 1 1 1 / ],
    [ qw/ 0 1 1 0 0 / ],
    [ qw/ 0 0 0 0 1 / ],
    [ qw/ 0 0 0 0 0 / ],
    [ qw/ 0 1 0 -1 0 / ],
;

say @array.pairs.first({.value.all == 0 }).key;

##</code><code>##

say @array.pairs.first(*.value.none).key;

##</code><code>##

say @array.pairs.first({ 0 == [+] .value.list}).key;

##</code><code>##

say @array.pairs.first({ not [||] .value.list}).key;