There is: 

use List::AllUtils qw( nsort_by );
my @sorted = nsort_by {
                        $apples{$_}->{golden}       ? 
                        $apples{$_}->{weight} * 10  : 
                        $apples{$_}->{weight}
             } keys %apples;

[download]

There is also a string compare version.

In reply to Re^4: Notation of sort function by tybalt89
in thread Notation of sort function by Alphaphi

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