golint core/discov (#525)

core/discov/internal/vars.go

@@ -3,17 +3,22 @@ package internal
 import "time"
 
 const (
+	// Delimiter is a separator that separates the etcd path.
+	Delimiter = '/'
+
 	autoSyncInterval   = time.Minute
 	coolDownInterval   = time.Second
 	dialTimeout        = 5 * time.Second
 	dialKeepAliveTime  = 5 * time.Second
 	requestTimeout     = 3 * time.Second
-	Delimiter          = '/'
 	endpointsSeparator = ","
 )
 
 var (
-	DialTimeout    = dialTimeout
+	// DialTimeout is the dial timeout.
+	DialTimeout = dialTimeout
+	// RequestTimeout is the request timeout.
 	RequestTimeout = requestTimeout
-	NewClient      = DialClient
+	// NewClient is used to create etcd clients.
+	NewClient = DialClient
 )