Month

A calendar month.

The twelve months are class fields, Month.JANUARY through Month.DECEMBER, and are also indexable by number: Month[1] through Month[12]. There is no constructor; the twelve values are the only instances.

Example

assert_eq $Month[1] $Month.JANUARY
assert (Month.JANUARY < Month.FEBRUARY)

Class Fields

APRIL @ Month ^{[get, set]}: April.
AUGUST @ Month ^{[get, set]}: August.
DECEMBER @ Month ^{[get, set]}: December.
FEBRUARY @ Month ^{[get, set]}: February.
JANUARY @ Month ^{[get, set]}: January.
JULY @ Month ^{[get, set]}: July.
JUNE @ Month ^{[get, set]}: June.
MARCH @ Month ^{[get, set]}: March.
MAY @ Month ^{[get, set]}: May.
NOVEMBER @ Month ^{[get, set]}: November.
OCTOBER @ Month ^{[get, set]}: October.
SEPTEMBER @ Month ^{[get, set]}: September.

Class Methods

`(index) number -> Month`

Returns the month with the given number.

Parameters

Name	Type	Description
`number`	`Int`	Month number, 1 through 12.

Errors

Exception	Condition
`ValueError`	The number is not 1 through 12

Example

assert_eq $Month[1] $Month.JANUARY

Methods

`(eq) other -> Bool`

Compares two months.

Parameters

Name	Type	Description
`other`	`Value`

`(lt) other -> Bool`

Orders two months, in calendar order.

Parameters

Name	Type	Description
`other`	`Month`

`(str)() -> Str`

Returns the uppercase English name, such as JANUARY.

`next() -> Month`

Returns the following month, wrapping from December to January.

`previous() -> Month`

Returns the preceding month, wrapping from January to December.