code: func (nr *nameResolver) handleFieldList(fieldList *ast.FieldList) {
  	var resultFields []*ast.ResultField
  	for _, v := range fieldList.Fields {
  		resultFields = append(resultFields, nr.createResultFields(v)...)
  	}
  	nr.currentContext().fieldList = resultFields
  }
docs: // handleFieldList expands wild card field and sets fieldList in current context.