yq/pkg/yqlib/operator_union.go

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package yqlib
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import "container/list"
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func UnionOperator(d *dataTreeNavigator, matchingNodes *list.List, pathNode *PathTreeNode) (*list.List, error) {
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lhs, err := d.GetMatchingNodes(matchingNodes, pathNode.Lhs)
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if err != nil {
return nil, err
}
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rhs, err := d.GetMatchingNodes(matchingNodes, pathNode.Rhs)
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if err != nil {
return nil, err
}
for el := rhs.Front(); el != nil; el = el.Next() {
node := el.Value.(*CandidateNode)
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lhs.PushBack(node)
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}
return lhs, nil
}