I like Common Lisp's ability to annotate functions with types *for performance*. It removes much of the dynamic typing overhead.
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Bootstrapping a language can be immensely satisfying.
I've added the ability to define stub types in the Garden stdlib and suddenly I don't need to special-case Int or String! They're just normal type declarations.
New version of difftastic is out!
* Fixed a nasty crash that was relatively common
* Minor display and performance fixes
https://github.com/Wilfred/difftastic/releases/tag/0.60.0
Go has an elegant approach to defining example functions, which are shown in docs as `main()` with the output: https://go.dev/blog/examples