my @blobs = map { $_->[0] }
            sort {$a->[1] cmp $b->[1] }
            map { [$_, $_->property_foo()] }
            @blob_list;

my @flobs = map { $_->[0] }
            sort {$a->[1] cmp $b->[1] }
            map { [$_, $_->function_bar()] }
            @flob_list;