this post was submitted on 12 Sep 2025
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The issue with Lua's and/or in this context is that they don't work if false or nil are valid values. In
a and b or c, ifb = false, the result is alwaysc.I also love null-related operators like ?? and ?. for this, since they explicitly check for null, letting you handle any non-null values for optional/default values. The syntax can get a bit cursed, like
maybeNull?.maybeMethod?.(args)in JS, but I still prefer that to writing out multiple field accesses in an if condition... And arguably the code is only less readable if you aren't acclimated to it.All that said I do really appreciate Lua's simplicity, as a language that provides tooling to create the features you want instead of building them into the language, though I wish it had some conventional regex instead of its own patterns.
i despise doing null checks as operators, because everyone does them differently. python's
a is not Noneis immediately obvious and you don't have to think about chaining rules.