Try to print something useful for MessageType panics

diff --git a/peer_protocol/protocol.go b/peer_protocol/protocol.go
index 8f914591111d4afdfdb1b0fe12a19a933c69f18c..13d76def401226910ac9aa8232f9500aaabc369e 100644 (file)
--- a/peer_protocol/protocol.go
+++ b/peer_protocol/protocol.go
@@ -1,5 +1,7 @@
 package peer_protocol
 
+import "strconv"
+
 const (
        Protocol = "\x13BitTorrent protocol"
 )
@@ -8,6 +10,12 @@ type (
        MessageType byte
 )
 
+// Hopefully uncaught panics format using this so we don't just see a pair of
+// unhelpful uintptrs.
+func (me MessageType) String() string {
+       return strconv.FormatInt(int64(me), 10)
+}
+
 const (
        Choke         MessageType = iota
        Unchoke                   // 1