From a1b3e4187891a214fb8d67ed937444145d569d23 Mon Sep 17 00:00:00 2001
From: Yan Mihailov <yanmhlv@gmail.com>
Date: Tue, 7 Aug 2018 00:15:37 +0300
Subject: [PATCH] added custom logger and SetLogger func

---
 bot.go     |  1 -
 helpers.go |  1 -
 log.go     | 17 +++++++++++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 log.go

diff --git a/bot.go b/bot.go
index 8fb6200..35d1e25 100644
--- a/bot.go
+++ b/bot.go
@@ -9,7 +9,6 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
-	"log"
 	"net/http"
 	"net/url"
 	"os"
diff --git a/helpers.go b/helpers.go
index b5480ea..f04a0a7 100644
--- a/helpers.go
+++ b/helpers.go
@@ -1,7 +1,6 @@
 package tgbotapi
 
 import (
-	"log"
 	"net/url"
 )
 
diff --git a/log.go b/log.go
new file mode 100644
index 0000000..18e339f
--- /dev/null
+++ b/log.go
@@ -0,0 +1,17 @@
+package tgbotapi
+
+import (
+	"os"
+	"errors"
+	stdlog "log"
+)
+
+var log = stdlog.New(os.Stderr, "", stdlog.LstdFlags)
+
+func SetLogger(newLog *stdlog.Logger) error {
+	if newLog == nil {
+		return errors.New("logger is nil")
+	}
+	log = newLog
+	return nil
+}