Many programming languages include a “lambda” keyword, allowing you to create an anonymous function. But how far can you go with lambda? In this talk, Corey Haines explores what’s possible with lambda — not as a practical exercise, but as a thought experiment turns into actual code. If you’ve wondered what lambda can do, or what the lambda calculus was trying to demonstrate, or just how far you can go with a very small language-creation toolkit, this talk will help you to understand all of these better.