Prevent allocation when checking interface (#649)

diff --git a/bencode/bytes.go b/bencode/bytes.go
index b196963bdd40c7f4f74609246d0ec2fd18da1aca..5e1018e406779879197bcb3502c31b880c77b41a 100644 (file)
--- a/bencode/bytes.go
+++ b/bencode/bytes.go
@@ -3,8 +3,8 @@ package bencode
 type Bytes []byte
 
 var (
-       _ Unmarshaler = &Bytes{}
-       _ Marshaler   = &Bytes{}
+       _ Unmarshaler = (*Bytes)(nil)
+       _ Marshaler   = (*Bytes)(nil)
        _ Marshaler   = Bytes{}
 )