iso8601

const (
	// Strict is a validation flag used to represent a string iso8601 validation
	// (this is the default).
	Strict ValidFlags = 0

	// AllowSpaceSeparator allows the presence of a space instead of a 'T' as
	// separator between the date and time.
	AllowSpaceSeparator ValidFlags = 1 << iota

	// AllowMissingTime allows the value to contain only a date.
	AllowMissingTime

	// AllowMissingSubsecond allows the value to contain only a date and time.
	AllowMissingSubsecond

	// AllowMissingTimezone allows the value to be missing the timezone
	// information.
	AllowMissingTimezone

	// AllowNumericTimezone allows the value to represent timezones in their
	// numeric form.
	AllowNumericTimezone

	// Flexible is a combination of all validation flag that allow for
	// non-strict checking of the input value.
	Flexible = AllowSpaceSeparator | AllowMissingTime | AllowMissingSubsecond | AllowMissingTimezone | AllowNumericTimezone
)