RacketCon Tutorial on Typed Racket
Typed Racket Basics
Your first Typed Racket program
#lang typed/racket
(module+ main (displayln "Hello World"))
Intro
Next
Union
Polymorphism
Advanced
Porting small programs
Take the programs on the Racket website (collected in the website
directory) and port them to Typed Racket.
A Bigger Step
Working through the More: Systems programming in Racket tutorial