Nackable returns true iff Nack can be called without panicking. Some services do not support Nack; for example, at-most-once services can't redeliver a message. See https://godoc.org/gocloud.dev/pubsub#hdr-At_most_once_and_At_least_once_Delivery for more info.
()
| 181 | // https://godoc.org/gocloud.dev/pubsub#hdr-At_most_once_and_At_least_once_Delivery |
| 182 | // for more info. |
| 183 | func (m *Message) Nackable() bool { |
| 184 | return m.nackable |
| 185 | } |
| 186 | |
| 187 | // Nack (short for negative acknowledgment) tells the server that this Message |
| 188 | // was not processed and should be redelivered. |