How does it fail?

Note that your sort routine as written above does not get array indices but the objects in $a and $b. The syntax for sort is also different. Maybe you want: 

foreach my $obj (sort { $a->price <=> $b->price } @ArObj) {
...
}

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In reply to Re: how to sort an array of (Moose) objects by Corion
in thread how to sort an array of (Moose) objects by Anonymous Monk

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