in reply to Sorting an array of anonymous hashes with named hashes using hash value

$a is an item from $places and $b is an item from $places, in sort you start with $a and $b not $places
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Re^2: Sorting an array of anonymous hashes with named hashes using hash value
by Anonymous Monk on May 07, 2016 at 00:07 UTC 
    my @sorted_places = 
map { $_->[1] }
sort { 
    $a->[0]  cmp  $b->[0]
} map { 
    [
        ( values %$_ )[0]->{name},
        $_
    ]
} @$places;

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      Much trickier than I thought. Thanks!

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[reply]

        Hi nysus,

        There is one caveat to the AM's code: because hash ordering is random, ( values %$_ )[0] picks a random value from that hash. So if I change your example data structure like so: $places->[0]{123}{name} = "Alpha";, the sort will give random results. So if you use that sort method, make sure that you know each hash at that level only has one key.

        Hope this helps,
        -- Hauke D

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