code snippets for Lecture 3

These are also hyperlinked from the pdf if your reader is set up right (tested with evince, mupdf / emacs-pdftools, on Linux).

let1-example1.rkt

let1-example2.rkt

let1-example3.rkt

let1.rkt

scope1.rkt

scope2.rkt

scope3.rkt

scope4.rkt

scope5.rkt