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/

>>60
Your Javascript engine sucks because it doesn't support TCO or a decently sized stack. The Ackermann function is defined recursively, but it isn't primitive recursive, so you can't easily convert it into an iterative solution.