package stream import ( "fmt" "os" ) var debugEnabled bool = false func init() { if os.Getenv("ZREPL_RPC_DATACONN_STREAM_DEBUG") != "" { debugEnabled = true } } func debug(format string, args ...interface{}) { if debugEnabled { fmt.Fprintf(os.Stderr, "rpc/dataconn/stream: %s\n", fmt.Sprintf(format, args...)) } }