pub fn valid_date_range_value(value: &str) -> Result<String, String>
Expand description

Validate date range argument value(s). Return vector of at most 2 strings or error. A valid date range can be either one date string (“2022-01-01” for just January 1st) or two strings to indicate an inclusive range of dates (“2022-01-01” “2022-01-02”).