resolve-system-dependencies.pl: Simplify union impl
Patch by @pikajude
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@ -42,14 +42,8 @@ sub mkset(@) {
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sub union($$) {
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my ($set1, $set2) = @_;
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my $new = {};
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foreach my $key (keys %$set1) {
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$new->{$key} = $set1->{$key};
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}
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foreach my $key (keys %$set2) {
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$new->{$key} = $set2->{$key};
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}
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$new
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my %new = (%$set1, %$set2);
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\%new
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}
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sub cache_filepath($) {
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