// NullTime constructs and returns a new null Time.
NullTime constructs and returns a new null Time.
// NullTime constructs and returns a new null Time .
func NullTime() Time {
	return Time{
		Time:  time.Time{},
		Valid: false,
	}
}
func NullTime ( ) Time { return Time { Time : time . Time { } , Valid : false , } }
NullTime constructs and returns a new null Time.
NullTime constructs and returns a new null Time .