temporal 0.1.0

A Dart port of the TC39 Temporal proposal — modern immutable date and time types with explicit ISO 8601 calendar arithmetic.

0.1.0

Initial release with core Temporal types:

• PlainDate — an ISO 8601 calendar date (year, month, day) with no time or timezone
• PlainTime — a wall-clock time with no date or timezone
• PlainDateTime — a combined calendar date and wall-clock time
• Instant — an exact UTC point in time backed by microseconds since epoch
• TemporalDuration — a duration spanning calendar units (years, months) and time units