skye 83bca23d4a libexpr/primops: Avoid Value default construction in primop_removeAttrs
This makes the removal vector a vector of Symbols instead of Attrs, and
uses a custom Compare to still be able to std::set_difference them.

std::ranges::set_difference **should** be the perfect function for this,
but because for some reason it spuriously requires
`std::indirectly_copyable<I2, Out>`, I can't use it here. This
defficiency has bee recognized before [here](https://github.com/cplusplus/papers/issues/1021),
but no one has driven the fix forward.

Part of #744

Change-Id: I6d2c016ea41e033bf38836f859541b506a6a6964
2026-03-18 22:03:33 -04:00
2025-09-29 15:22:41 +02:00
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2024-03-29 22:57:40 -07:00
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Lix

Lix is an implementation of Nix, a powerful package management system for Linux and other Unix systems that makes package management reliable and reproducible.

Read more about us at https://lix.systems.

Installation

On Linux and macOS the easiest way to install Lix is to run the following shell command (as a user other than root):

$ curl -sSf -L https://install.lix.systems/lix | sh -s -- install

For systems that already have a Nix implementation installed, such as NixOS systems, read our install page

Building And Developing

See our Hacking guide in our manual for instruction on how to set up a development environment and build Lix from source.

Additional Resources

License

Lix is released under LGPL-2.1-or-later.

S
Description
Working fork of Lix - carries the adaptive load-aware build-remote patch. Upstream: gerrit.lix.systems
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