From b15a8ec4a51cab8b49b940aecf9f6641d61755e2 Mon Sep 17 00:00:00 2001
From: 9seconds <nineseconds@yandex.ru>
Date: Fri, 11 Mar 2022 11:19:15 +0300
Subject: [PATCH] More correct error if no addresses are found

---
 mtglib/internal/telegram/init.go     | 3 +++
 mtglib/internal/telegram/telegram.go | 7 +++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/mtglib/internal/telegram/init.go b/mtglib/internal/telegram/init.go
index 448120b..6c5abea 100644
--- a/mtglib/internal/telegram/init.go
+++ b/mtglib/internal/telegram/init.go
@@ -2,10 +2,13 @@ package telegram
 
 import (
 	"context"
+	"errors"
 
 	"github.com/9seconds/mtg/v2/essentials"
 )
 
+var ErrNoAddresses = errors.New("no addresses")
+
 type preferIP uint8
 
 const (
diff --git a/mtglib/internal/telegram/telegram.go b/mtglib/internal/telegram/telegram.go
index 395a9b7..1882c49 100644
--- a/mtglib/internal/telegram/telegram.go
+++ b/mtglib/internal/telegram/telegram.go
@@ -28,10 +28,9 @@ func (t Telegram) Dial(ctx context.Context, dc int) (essentials.Conn, error) {
 		addresses = append(t.pool.getV6(dc), t.pool.getV4(dc)...)
 	}
 
-	var (
-		conn essentials.Conn
-		err  error
-	)
+	var conn essentials.Conn
+
+	err := ErrNoAddresses
 
 	for _, v := range addresses {
 		conn, err = t.dialer.DialContext(ctx, v.network, v.address)