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Nix Rust

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28 Oct 2025
@rasmus:fricloud.dk@rasmus:fricloud.dk left the room.14:35:52
@crop_tech:matrix.orgcropa follow up question to yesterdays question. i use currently stable rust. because i want that every code i write to work on stable. i am only interested in unstable for things like miri and instrumentation (for test code coverage). ... when i choose nightly in my devenv i think there is only a very small chance that my code is treated differently compared to stable right?22:03:46
@dawnofmidnight:catgirl.cloud@dawnofmidnight:catgirl.cloudyeah, pretty much. differences in behavior are almost always either a bug (in rust) or a fix (which you'll get in a few weeks on stable, and you probably want)22:31:19
@dawnofmidnight:catgirl.cloud@dawnofmidnight:catgirl.cloud* yeah, pretty much. differences in behavior are almost always either a bug (in rust itself) or a fix (which you'll get in a few weeks on stable, and you probably want)22:31:39
@dawnofmidnight:catgirl.cloud@dawnofmidnight:catgirl.cloud * yeah, pretty much. differences in behavior are almost always either a bug (in rust itself) or a fix (which you'll get in a few weeks on stable, and you probably want)
(obviously this no longer holds true when you opt into unstable features with #![feature(...)] or -Z and such, but this is true for already-stable things)
22:34:04
@crop_tech:matrix.orgcropthank you for clarifying22:39:09
29 Oct 2025
@crop_tech:matrix.orgcrop I switched to fenix with complete toolchain. The problem is that rustfmt (or whatever is the default for formatting) somehow doesn't recognize that the project is written in edition 2024. It fails with an error something along the line "let chains only supported in edition 2024". 11:38:45
@crop_tech:matrix.orgcropThe editor i use is helix11:39:13

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