Previously we could have Age that was unknown. However, this is better modeled by making the Age optional and using null to represent its absence, since null conveys the same meaning.
The PR simplifies the code that uses Age and adds bounds checks on values to prevent using negative years, months, ... .
Previously we could have
Agethat was unknown. However, this is better modeled by making theAgeoptional and usingnullto represent its absence, sincenullconveys the same meaning.The PR simplifies the code that uses
Ageand adds bounds checks on values to prevent using negative years, months, ... .