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Finally reviving my blog! Wrote a few thousand words about one of the most notorious bugs we encountered when porting tsc to Go: accidental variable shadowing. It's a pleasure to write go/analysis passes, and I was really happy with the results of my shadow analyzer. Please enjoy the CFG diagrams!

you'll never believe source this is generated from (yes, it's ASCII art)

Oof. I'd go straight for graphviz / mermaid, I don't have the patience 😅

This was the least annoying way to do it in hugo gohugo.io/content-mana... That and it was nice to control the layout directly. However, _not_ nice to attempt to color the variable names, which I did via CSS style for each character individually :)))