pub fn parse_iso8601(s: &str) -> RlgResult<String>Expand description
Validate s as an RFC 3339 / ISO 8601 timestamp.
Accepts the subset this crate emits: YYYY-MM-DDTHH:MM:SS[.fff…]Z
or YYYY-MM-DDTHH:MM:SS[.fff…][+HH:MM|-HH:MM]. Returns the original
input on success.
§Errors
Returns RlgError::DateTimeParseError when the string does not
match the supported grammar or contains out-of-range components.