cross-posted from: https://lemmy.world/post/31184706
C is one of the top languages in terms of speed, memory and energy
https://www.threads.com/@engineerscodex/post/C9_R-uhvGbv?hl=en
cross-posted from: https://lemmy.world/post/31184706
C is one of the top languages in terms of speed, memory and energy
https://www.threads.com/@engineerscodex/post/C9_R-uhvGbv?hl=en
Its really not, have you noticed how an enum is transpiled? you end up with a function… a lot of other things follow the same pattern.
Nope, have not noticed because I hate JavaScript with a passion. Thanks for educating me.
Just FYI the example that person gave would absolutely not explain a huge performance difference. I don’t think they understand what they’re looking at.
fair enough :D but it does happen and there are reasons for that: https://stackoverflow.com/questions/47363996/why-does-an-enum-transpile-into-a-function
Thanks! I hate JavaScript even more now 😄
No they don’t. Enums are actually unique in being the only Typescript feature that requires code gen, and they consider that to have been a mistake.
In any case that’s not the cause of the difference here.
This isn’t true, there are other features that “emit code”, that includes: namespaces, decorators and some cases even async / await (when targeting ES5 or ES6).
Ah yeah I forgot about namespaces. I don’t think they’re a popular feature.
The other two only generate code for backwards compatibility. When targeting the latest JavaScript versions they don’t generate anything.
Ok decorators are technically still only a proposal so they’re slightly jumping the gun there, but the point remains.