func (g *Glg) Fail(val ...interface{}) error {
	return g.out(FAIL, blankFormat(len(val)), val...)
}
func (g *Glg) Fail(val ...interface{}) error {
	return g.out(FAIL, blankFormat(len(val)), val...)
}
func ( g * Glg ) Fail ( val ... interface { } ) error { return g . out ( FAIL , blankFormat ( len ( val ) ) , val ... ) }
// Fail outputs Failed log
Fail outputs Failed log