commit 4c5f1d70177ad8ac6fd960b4ee76436fcf643a0f
author kortschak <kortschak@epistle> Sun Feb 26 07:05:42 2012 +1030
committer kortschak <kortschak@epistle> Sun Feb 26 07:05:42 2012 +1030
tree 43dc0697bcc8bf2948049d12aff9abea50c17661
parent d7035ee8f79a6f295be1963ee76332b3bc9dd620

Fix for issue#3 - panic comparing uncomparable types

formatter.go

diff --git a/formatter.go b/formatter.go
index aa334b9..23111ad 100644
--- a/formatter.go
+++ b/formatter.go
@@ -133,7 +133,7 @@
 		writeByte(w, '}')
 	case reflect.Struct:
 		t := v.Type()
-		if reflect.DeepEqual(reflect.Zero(t).Interface(), fo.x) {
+		if tryDeepEqual(reflect.Zero(t).Interface(), fo.x) {
 			if !fo.omit {
 				io.WriteString(w, t.String())
 			}
@@ -190,6 +190,11 @@
 	}
 }
 
+func tryDeepEqual(a, b interface{}) bool {
+	defer func() { recover() }()
+	return reflect.DeepEqual(a, b)
+}
+
 func writeByte(w io.Writer, b byte) {
 	w.Write([]byte{b})
 }