func (o *GetTaskCommentsParams) bindSince(rawData []string, hasKey bool, formats strfmt.Registry) error {
	var raw string
	if len(rawData) > 0 {
		raw = rawData[len(rawData)-1]
	}
	if raw == "" { // empty values pass all other validations
		return nil
	}

	value, err := formats.Parse("date-time", raw)
	if err != nil {
		return errors.InvalidType("since", "query", "strfmt.DateTime", raw)
	}
	o.Since = *(value.(*strfmt.DateTime))

	return nil
}