Why is the git staging area called a cache? https://stackoverflow.com/questions/6716355/why-staging-directory-is-also-called-index-git-index/6718135#6718135
Interesting git archaeology, but I'm not sure that makes it a good name.
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Watching https://youtu.be/KWB-gDVuy_I and I'm struck by how weird constructors are as an API.
* They promote total functions, making it hard to do validation.
* They're hard to split up, because they have special access to unfinished data.
* They're like a framework: you get called.
C# has an interesting concept of second-class macros called Source Generators: https://devblogs.microsoft.com/dotnet/introducing-c-source-generators/
You can generate additional code at build time, but you can't transform existing expressions (unlike normal macros), so it's more amenable to tooling.
Today I learnt that cc-mode in Emacs includes a demo of defining a major mode for a small C-like language: https://cc-mode.sourceforge.net/derived-mode-ex.el
"a hypothetical language called C: (pronounced "big nose") that is similar to Java" :)