Brilliant, practical talk on implementing a JS type checker: https://youtu.be/MuC8I1JBKv0 (including soundness tradeoffs and flow-based analysis)
miniblog.
Related Posts
Short and very accessible introduction to implementing unification, including Python sample code:
Apple is going to significantly open up iPhones, including allowing third party app stores!
I've released difftastic 0.35! In this release:
* Basic support for Makefile syntax
* Support for UTF-16 files (helpful on Windows)
* Several quality of life improvements, including the ability to see what languages are currently supported



