If the function is total and pure then create a `sealed clas kotlinlang #arrow

If the function is total and pure, then create a `...

streetsofboston

02/06/2019, 3:11 PM

If the function is total and pure, then create a

sealed class OldEnoughQuestion

and make

NotOldEnoughForABoy

, etc as its subclasses. Have the function return instances of

OldEnoughQuestion

. And one of them should be

IsOldEnough

for a positive result 🙂