The string "3.99" always comes back as a string, but when you need do anything a... | Hacker News

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		ibejoeb on July 11, 2024 \| parent \| context \| favorite \| on: Engineering principles for building financial syst... The string "3.99" always comes back as a string, but when you need do anything at all to it, it resolves down to the same problem.

langcss on July 11, 2024 [–]

Ideally, one should make illegal state unrepresentable. The problem with a string is there is no guarantee it represents a money amount.

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