My new go-to placeholder CSS colour is `teal`. It's way less garish than red or blue, and it's short to type.
miniblog.
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Interesting approach to emulating sum types in Go: define an interface with a placeholder function on all of the relevant types! https://www.jerf.org/iri/post/2917
Includes an example with an AST type. You can even stop people extending your interface by making your placeholder private.
I find pattern based macro systems harder to read. It's not clear what's syntax/what's a placeholder. Perhaps a prolog approach would work?
@AskHalifaxBank Your website has some rather strange error messages -- this sounds like a placeholder?
