Do we really need the default case in the consumer for loop

[yanmxa]

Description

I follow the samples in the repository to create a consumer. But I wonder why we need the default case here? Perhaps we don't need default at all? will the e in the fmt.Printf("Ignored %v\n", e) print the pointer or real value? cause the kafka.Event might be a pointer *kafka.Message or a real value kafka.Error.

How to reproduce

Checklist

Please provide the following information:

• confluent-kafka-go and librdkafka version (LibraryVersion()):
• Apache Kafka broker version:
• Client configuration: ConfigMap{...}
• Operating system:
• Provide client logs (with "debug": ".." as necessary)
• Provide broker log excerpts
• Critical issue