case classDateDaySinceYearType(aYear: Int) extends DateType with Product with Serializable
The type dateDaysSince[aYear] is a variant of the type date where the values are represented as the number of days since aYear-01-01.
The date aYear-01-01 is represented by the number 0. aYear-01-02 is represented by 1, aYear-02-01 is represented by 31, etc.
Dates before aYear-01-01 are represented as negative numbers.
For example, values of type dateDaysSince[1960] are the number of days since 1960-01-01. The date 1960-01-01 is represented by the number 0.
The type dateDaysSince[aYear] is a variant of the type date where the values are represented as the number of days since aYear-01-01. The date aYear-01-01 is represented by the number 0. aYear-01-02 is represented by 1, aYear-02-01 is represented by 31, etc. Dates before aYear-01-01 are represented as negative numbers. For example, values of type dateDaysSince[1960] are the number of days since 1960-01-01. The date 1960-01-01 is represented by the number 0.