TypeScript introduces a lot of new language features that are common in statically type languages, such as classes (which are now part of the JavaS...
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Incidentally, C++
enumwork the exact same way (except they can only be assigned to int-based values). Too bad Typescript (apparently) doesn't have something analogous to the C++enum class, which resists implicit casting.Honestly I don't see the reason for putting non-constant value in enums and it looks like antipattern to me. Can you give an example where that would make sense? I'm genuinely interested.
An obvious use case is expressions that optimize to constants during compilation, as in the bitwise OR of two values example above, because it makes the source code clearer without compromising what enumerations bring to programming.
Thanks. That reminds me of the
constexprin C++.Perhaps a given scenario where the non-constant value can easily be computed? There's probably a better way of handling that kind of scenario that doesn't involve a enum; I can't imagine using a non-constant value is considered best-practice.