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Lix Development

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(Technical) development of Lix, the package manager, a Nix implementation. Please be mindful of ongoing technical conversations in this channel.135 Servers

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12 Nov 2025
@raitobezarius:matrix.orgraitobezariusThe NaN behavior unsoundness is unfortunate but we will have to document it and accept it.12:41:14
@raitobezarius:matrix.orgraitobezarius piegames if you have some time to spare, it'd be helpful for us if you can sign-off on https://gerrit.lix.systems/c/lix/+/4556 as well 12:44:39
@raitobezarius:matrix.orgraitobezarius https://wiki.lix.systems/books/lix-contributors/page/pointer-equality contains exposition info 12:44:47
@piegames:flausch.socialpiegamesI'll try to have a look tomorrow13:14:27
@k900:0upti.meK900I picked a nit13:15:27
@niko:nrab.lolniko ⚡️
In reply to @raitobezarius:matrix.org
The NaN behavior unsoundness is unfortunate but we will have to document it and accept it.
Cursed not really serious idea - do pointer comparison as doubles, and make any object pointer which contains a nan, nan itself, and everything else not nan
13:33:45
@raitobezarius:matrix.orgraitobezarius forgets this idea 17:21:28
@aloisw:julia0815.dealoisw Is it worse than before? My understanding is that the only change for NaN is that after attrset update it will now sometimes return false (similar to the load-bearing change that was observed for functions, but hopefully less load-bearing there). 17:28:55
@raitobezarius:matrix.orgraitobezariusit's ~not but from an absolute PoV, it makes me so sad :D17:29:22
@raitobezarius:matrix.orgraitobezarius (_:O:[_]==[_]&&[_]!=O(_)[_])(_:_)map will be added to the iceberg 17:29:44
@aloisw:julia0815.dealoisw Will the attrset update thing too, given that even the Snix folks missed it? 17:32:23

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