+ } @{ $source->items_sorted };
+
+ my $i = 0;
+ foreach my $item (@items) {
+ my $source_cvars = $source->items_sorted->[$i]->cvars_by_config;
+ my $target_cvars = $item->cvars_by_config;
+ pairwise { $a->value($b->value) } @{ $target_cvars }, @{ $source_cvars };
+ $i++;
+ }