yq/pkg/yqlib/operator_union.go

20 lines
502 B
Go

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