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Comment by i2talics

> If you don't like arenas then that will push you towards avoiding allocations

I mean push in the sense of a pit-of-success, not making me do things because the alternative is unpalatable.

> managing frees one-to-one with allocations is a nightmare

It really isn't a nightmare if your language has tools to help you. I'm never particularly concerned about frees in Rust outside of thinking about room to optimize.

> Need something to live across connections? Use the general purpose allocator for those particular things.

Well, this is a determination you have to make very carefully and if you screw it up (like in the situation I was trying to outline) you have a subtle bug.

> Personally I mostly lean on fixed-size buffers, but if I'm writing Zig it's just little toy programs where blowing up when the buffer runs out of room is fine.

What's also fine is using malloc, which will have perfectly reasonable performance for your toy programs.

This is reinforcing my belief that Zig programmers actually just have a sort of aesthetic attachment to the idea of managing their allocations themselves and this has very little to do with the actual practical concerns of writing software that works. I'm a lot more sympathetic to the other reply that talked about library code improving flexibility for those relying on the library, than this comment that only thinks about the case where everything goes perfectly and using a fixed size buffer for no reason.

parent i2talics 4 days ago

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