> You might be aware already, but the examples aren't the same Yeah, because both TS and PHP have the same treatment of `!expr` I use the two interchangeably w

> You might be aware already, but the examples aren't the same Yeah, because both TS and PHP have the same treatment of `!expr` I use the two interchangeably when demonstrating functionality, but the exactly comparable example is here: https://www.typescriptlang.org/play?#code/GYVwdgxgLglg9mABMOcAUBDAXIgzlAJxjAHMAfMEAGyoBpEAjHfI0i6qgSkRwGVDiJRAG8AUIkQxgiTIgC8CxJRqIAZKsbzFyriPETEBAKZQQBJAHILAbn0BfUfqkyMWuUo7cxBwybNIGWwkHfWNTc0QMWzsgA https://www.typescriptlang.org/play?#code/GYVwdgxgLglg9mABMO... > BTW, Psalm seems really cool! I've not used PHP in a long time, but I always felt it lacks tooling, so it's great to see people are making progress in that area. Yeah, it's not the only open-source static analysis tool for PHP – there's also https://phpstan.org https://phpstan.org, which is even more popular