package yqlib import ( "container/list" "fmt" ) func getDocumentIndexOperator(_ *dataTreeNavigator, context Context, _ *ExpressionNode) (Context, error) { var results = list.New() for el := context.MatchingNodes.Front(); el != nil; el = el.Next() { candidate := el.Value.(*CandidateNode) scalar := candidate.CreateReplacement(ScalarNode, "!!int", fmt.Sprintf("%v", candidate.GetDocument())) results.PushBack(scalar) } return context.ChildContext(results), nil }