Today was a bit busier than I thought it would be. I did some playing around with trying to better understand closures. I think I understand them a little better but one of things I'm having trouble with is figuring out how something magically becomes a closure.

Take this for …

Today I did a little more work on my slides for the MUG presentation, but I also read some more of the (excellent) manual. The section on Closures really helped me understand better what was going on.

For those playing along at home, a closure is when a function is …

Did some more work on my slides for the MUG presentation, but that was it. Lost some momentum today. Going to find it tomorrow.

Did a little reading but today was not as productive as it could be. Not a great finish to the first 30 days, but tomorrow will be better.

I think I'm done with Shut the Box, for now.

I added a hint system where you can type "hint" and get hints on which tiles can be shut. Also fixed a few bugs and cleaned up the output so it looks better.

#lang racket

#| Init Block |#

(define tiles '())
(define …