69. The Billion Dollar Mistake

This week, Chris and Soroush talk about null, the billion dollar mistake. They talk about its past, its present and maybe even its future. Nice!

enum Brain {

    case small

    case medium

    case large

    case galaxy

    case universe

}

• Liskov Substitution Principle
• Null References: The Billion Dollar Mistake
• Python on Google App Engine
• PEP 484: Type Hints
• The Definitive Reference To Why Maybe Is Better Than Null
• That One Optional Property
• The algebra(and calculus!) of algebraic data types
• Point-Free episode 4: Algebraic Data Types
• Optional definition
• SubEthaEdit