Null pointers are the billion dollar mistake

@davetchepak "What can C# do that F# cannot?"
NullReferenceException :-)

Educating the imperative gorillas about sum types:

https://chadaustin.me/2015/07/sum-types/

>>13,16
Imperative languages like C++(not including the modern ones here, of course) have no sum types, only product types, which is strange but easily explainable by the fact their creators didn't know jack shit about mathematics.
The closest thing OOP has to sum types is Scala's case classes which are a hack to overcome JVM's limitations.