func (fs FrameState) String() string {
	var s []string
	for k, v := range frameStateNames {
		if fs&k != 0 {
			s = append(s, v)
		}
	}
	return "[" + strings.Join(s, " ") + "]"
}
func (fs FrameState) String() string {
	var s []string
	for k, v := range frameStateNames {
		if fs&k != 0 {
			s = append(s, v)
		}
	}
	return "[" + strings.Join(s, " ") + "]"
}
func ( fs FrameState ) String ( ) string { var s [ ] string for k , v := range frameStateNames { if fs & k != 0 { s = append ( s , v ) } } return " " + strings . Join ( s , " " ) + " " }
// String satisfies stringer interface.
String satisfies stringer interface .