Ensure slice types can safely round-trip through flag.FlagSet

2016-04-29 02:30:49 -04:00
parent ee736e063a
commit d1b0c49a98
2 changed files with 32 additions and 1 deletions
--- a/context.go
+++ b/context.go
@@ -362,7 +362,8 @@ func lookupBoolT(name string, set *flag.FlagSet) bool {

 func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
 	switch ff.Value.(type) {
-	case *StringSlice:
+	case Serializeder:
+		set.Set(name, ff.Value.(Serializeder).Serialized())
 	default:
 		set.Set(name, ff.Value.String())
 	}