logger fix

handler.go

@@ -6,6 +6,7 @@ import (
 	amqp "github.com/rabbitmq/amqp091-go"
 	"io"
 	"log"
+	"os"
 	"sync"
 	"time"
 )
@@ -36,13 +37,15 @@ type options struct {
 }
 
 func NewClient(address Address, queueName string, opts ...Option) (*Client, error) {
+	l := log.New(os.Stdout, "", log.LstdFlags)
+
 	addr, err := address.makeAddr()
 	if err != nil {
 		return nil, errors.Join(errBadAddr, err)
 	}
 
 	if queueName == "" {
-		log.Fatal(errNoQueue)
+		l.Fatal(errNoQueue)
 	}
 
 	client := Client{
@@ -50,6 +53,7 @@ func NewClient(address Address, queueName string, opts ...Option) (*Client, erro
 		queueName: queueName,
 		done:      make(chan bool),
 		connected: make(chan struct{}),
+		logger:    l,
 	}
 
 	o := options{