From 583ad442c14ebce138cc34204fd7173ac7993f51 Mon Sep 17 00:00:00 2001
From: Steffen Vogel <post@steffenvogel.de>
Date: Thu, 9 Feb 2023 19:22:51 +0100
Subject: [PATCH] Replace closable interface by io.Closer

There is no need to define a custom interface.
---
 gather.go | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/gather.go b/gather.go
index 355592c..9c90eaa 100644
--- a/gather.go
+++ b/gather.go
@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
+	"io"
 	"net"
 	"reflect"
 	"sync"
@@ -20,12 +21,8 @@ const (
 	stunGatherTimeout = time.Second * 5
 )
 
-type closeable interface {
-	Close() error
-}
-
 // Close a net.Conn and log if we have a failure
-func closeConnAndLog(c closeable, log logging.LeveledLogger, msg string) {
+func closeConnAndLog(c io.Closer, log logging.LeveledLogger, msg string) {
 	if c == nil || (reflect.ValueOf(c).Kind() == reflect.Ptr && reflect.ValueOf(c).IsNil()) {
 		log.Warnf("Conn is not allocated (%s)", msg)
 		return