snapshot of https://github.com/ThreeDotsLabs/watermill.git (master, 2026-09-15; blobs > 131072B omitted)

message/router/middleware/instant_ack.go

@@ -0,0 +1,14 @@
+package middleware
+
+import "github.com/ThreeDotsLabs/watermill/message"
+
+// InstantAck makes the handler instantly acknowledge the incoming message, regardless of any errors.
+// It may be used to gain throughput, but at a cost:
+// If you had exactly-once delivery, you may expect at-least-once instead.
+// If you had ordered messages, the ordering might be broken.
+func InstantAck(h message.HandlerFunc) message.HandlerFunc {
+	return func(message *message.Message) ([]*message.Message, error) {
+		message.Ack()
+		return h(message)
+	}
+}