!VRULIdgoKmKPzJZzjj:nixos.org

Nix Hackers

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For people hacking on the Nix package manager itself187 Servers

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21 Jul 2025
@connorbaker:matrix.orgconnor (burnt/out) (UTC-8) I’d love to talk more about this with you all!
Any chance C++ has something akin to Haskell’s STM?
14:11:52
@connorbaker:matrix.orgconnor (burnt/out) (UTC-8) tomberek you might be interested in this — I know I talked with you about having an import cache which stores the processed AST instead of the file itself. (One idea I had was to key on the hash of the AST so formatting wouldn’t cause cache misses.) 14:44:35
@toonn:matrix.orgtoonn .oO(Unison...) 14:45:29
@emilazy:matrix.orgemilysee https://matrix.to/#/!VRULIdgoKmKPzJZzjj:nixos.org/$ynuYm1cT2gUMemb4CiyueY7KlkO0yqppb8i9xb6ENJ8?via=nixos.org&via=matrix.org&via=nixos.dev for my attempts14:48:07
@emilazy:matrix.orgemily unfortunately to trace builtins.readFile you need scopedImport which slows things down a bunch 14:48:23
@magic_rb:matrix.redalder.orgmagic_rb
In reply to @emilazy:matrix.org
unfortunately to trace builtins.readFile you need scopedImport which slows things down a bunch
Well, it would have to be done at the c++ level and the evaluator would have to become serializable for my idea to work
14:54:00

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