func contentForFunc(helper *structure.Helper, values *structure.RequestData) []byte { // If there is no array attached to the request data already, make one if values.ContentForHelpers == nil { values.ContentForHelpers = make([]structure.Helper, 0) } // Collect all contentFor helpers to use them with a block helper values.ContentForHelpers = append(values.ContentForHelpers, *helper) return []byte{} }