options added

options.go

@@ -0,0 +1,35 @@
+package rabbit
+
+import "time"
+
+type Option func(*options)
+
+func WithReconnectDelay(t time.Duration) Option {
+	return func(op *options) {
+		op.reconnectDelay = t
+	}
+}
+
+func WithReInitDelay(t time.Duration) Option {
+	return func(op *options) {
+		op.reInitDelay = t
+	}
+}
+
+func WithResendDelay(t time.Duration) Option {
+	return func(op *options) {
+		op.resendDelay = t
+	}
+}
+
+func WithConsumerRateLimit(t time.Duration) Option {
+	return func(op *options) {
+		op.consumerRateLimit = t
+	}
+}
+
+func WithConsumerBurstSize(t int) Option {
+	return func(op *options) {
+		op.consumerBurstSize = t
+	}
+}