Temporal

Returns a function that takes an optional arg and uses it as the operand or injects a argument from some other source (e.g., HTML element, query string).

When called, the returned function returns the operand if it matches the type, otherwise returns an Error.

• IsCalendar = operand => (arg => Either<Error, Calendar)
• IsDuration = operand => (arg => Either<Error, Duration)
• IsInstant = operand => (arg => Either<Error, Instant)
• IsPlainDate = operand => (arg => Either<Error, PlainDate)
• IsPlainDateTime = operand => (arg => Either<Error, PlainDateTime)
• IsPlainMonthDay = operand => (arg => Either<Error, PlainMonthDay)
• IsPlainTime = operand => (arg => Either<Error, PlainTime)
• IsPlainYearMonth = operand => (arg => Either<Error, PlainYearMonth)
• IsTimeZone = operand => (arg => Either<Error, TimeZone)
• IsYearWeek = operand => (arg => Either<Error, YearWeek)
• IsZonedDateTime = operand => (arg => Either<Error, ZonedDateTime)