I too couldn't resist. A single walk through the hash's
keys is the fastest way I could think of doing this:
sub dkubb_compare {
my $data = shift;
my $first = @{$data{scalar each %$data}};
while(my $key = scalar each %$data) {
return 0 unless $first == @{$data{$key}};
}
return 1;
}
IMHO, it's a little too obscure to be used in production
code, but I think it still is a neat idiom.
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