use iota for go-client (apache#3474)

### Motivation use iota to replace the original way Signed-off-by: xiaolong.ran <[email protected]>
evanfeng · Jan 30, 2019 · a1826af · a1826af
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commit a1826af
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Showing 2 changed files with 13 additions and 13 deletions.
diff --git a/pulsar-client-go/pulsar/consumer.go b/pulsar-client-go/pulsar/consumer.go
@@ -35,15 +35,15 @@ type SubscriptionType int
 
 const (
 	// There can be only 1 consumer on the same topic with the same subscription name
-	Exclusive SubscriptionType = 0
+	Exclusive SubscriptionType = iota
 
 	// Multiple consumer will be able to use the same subscription name and the messages will be dispatched according to
 	// a round-robin rotation between the connected consumers
-	Shared SubscriptionType = 1
+	Shared
 
 	// Multiple consumer will be able to use the same subscription name but only 1 consumer will receive the messages.
 	// If that consumer disconnects, one of the other connected consumers will start receiving messages.
-	Failover SubscriptionType = 2
+	Failover
 )
 
 // ConsumerBuilder is used to configure and create instances of Consumer

diff --git a/pulsar-client-go/pulsar/producer.go b/pulsar-client-go/pulsar/producer.go
@@ -28,30 +28,30 @@ type MessageRoutingMode int
 
 const (
 	// Publish messages across all partitions in round-robin.
-	RoundRobinDistribution MessageRoutingMode = 0
+	RoundRobinDistribution MessageRoutingMode = iota
 
 	// The producer will chose one single partition and publish all the messages into that partition
-	UseSinglePartition MessageRoutingMode = 1
+	UseSinglePartition
 
 	// Use custom message router implementation that will be called to determine the partition for a particular message.
-	CustomPartition MessageRoutingMode = 2
+	CustomPartition
 )
 
 type HashingScheme int
 
 const (
-	JavaStringHash HashingScheme = 0 // Java String.hashCode() equivalent
-	Murmur3_32Hash HashingScheme = 1 // Use Murmur3 hashing function
-	BoostHash      HashingScheme = 2 // C++ based boost::hash
+	JavaStringHash HashingScheme = iota // Java String.hashCode() equivalent
+	Murmur3_32Hash                      // Use Murmur3 hashing function
+	BoostHash                           // C++ based boost::hash
 )
 
 type CompressionType int
 
 const (
-	NoCompression CompressionType = 0
-	LZ4           CompressionType = 1
-	ZLib          CompressionType = 2
-	ZSTD          CompressionType = 3
+	NoCompression CompressionType = iota
+	LZ4
+	ZLib
+	ZSTD
 )
 
 type TopicMetadata interface {