// BoolMust : Must Conver "val" to a Bool
BoolMust : Must Conver "val" to a Bool
// BoolMust : Must Conver " val " to a Bool
func BoolMust(val interface{}, def ...bool) bool {
	ret, err := Bool(val)
	if err != nil && len(def) > 0 {
		return def[0]
	}
	return ret
}
func BoolMust ( val interface { } , def ... bool ) bool { ret , err := Bool ( val ) if err != nil && len ( def ) > 0 { return def [ 0 ] } return ret }
BoolMust : Must Conver "val" to a Bool
BoolMust : Must Conver " val " to a Bool