From eb848a66c22afb215e57fbb8a1a1d18ad4ea78d6 Mon Sep 17 00:00:00 2001
From: Cenk Alti <cenkalti@gmail.com>
Date: Fri, 5 Jun 2020 17:11:59 +0300
Subject: [PATCH] use errors.Is to compare errors

---
 internal/announcer/announce.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/internal/announcer/announce.go b/internal/announcer/announce.go
index c5c8ed39..67131c95 100644
--- a/internal/announcer/announce.go
+++ b/internal/announcer/announce.go
@@ -2,6 +2,7 @@ package announcer
 
 import (
 	"context"
+	"errors"
 
 	"github.com/cenkalti/rain/internal/tracker"
 )
@@ -21,7 +22,7 @@ func announce(
 		NumWant: numWant,
 	}
 	annResp, err := trk.Announce(ctx, annReq)
-	if err == context.Canceled {
+	if errors.Is(err, context.Canceled) {
 		return
 	}
 	if err != nil {