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0 vs null vs undefined - explained with toilet paper
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this post was submitted on 06 Jul 2023
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It has std:option
So every object that can be None or Some, needs to be checked when used. And only options can be set to None
Yeah it's a bit inaccurate to say it's not supported. It just has edge case handling written explicitly into whatever thing you're building (I assume it's required to do so in order to be well-typed). It took this idea from Haskell, which might have gotten it from Miranda or something.
I like the pattern a lot more. It makes you just initialize the value and only keep it 'nullable' for where it's needed and then you need to check. Even .net implemented it (but a bit more awkward)
Yup. Programmers are really stupid, if the compiler forces us to explicitly handle weird situations that's a feature.