miniblog.

I'm pretty impressed with Cursor: I've successfully asked it to perform codebase transforms in English, and it's worked! E.g. "Replace all calls foo(..., true) with foo_immediate(...) define a foo_immediate function". I'm still reading the diff and checking tests -- it's still AI after all.

I'm trying to decide what program I should show on the home page of my PL. Hello World is too simple to show much syntax. Fibonacci is OK but the reader may not know what print(fib(10)) should show. Maybe print(greet("World")) is better? It gives you a function definition at least.

TIL Rust has an ambiguity `if Foo {}` -- is `Foo` a value of type bool, or a struct? Rust solves this by defining a grammar production 'any expression except struct literals' and using it in this position. https://rust-lang.github.io/rfcs/0092-struct-grammar.html