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Discussion on: Is “Defensive Programming” actually healthy?

 
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Cubicle Buddha • Edited

Point taken. As for your question, I’m not sure which language besides TS supports checking exhaustiveness. Btw, I had copied the gist link incorrectly in the solution part of the article. You can now see the use of the never type. Woopsie!

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Andy Lamb

@edA-qa, in the .Net world are you thinking of F# maybe?