https://github.com/fogti/nix-builtin-utils

Nix standalone builtin utils
https://github.com/fogti/nix-builtin-utils

Last synced: 26 days ago
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Nix standalone builtin utils

• Host: GitHub
• URL: https://github.com/fogti/nix-builtin-utils
• Owner: fogti
• Created: 2022-08-17T17:33:11.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2022-08-25T13:29:08.000Z (over 2 years ago)
• Last Synced: 2023-03-21T21:53:12.481Z (almost 2 years ago)
• Language: Nix
• Size: 29.3 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# nix-builtin-utils

## Why?

nix builtins which rely on regex parsing+matching are notoriously difficult

to get right, because most regex libraries differ in what syntax they accept,

if they support backreferences, etc.

So this library extracts the corresponding code from Nix' [`src/libexpr/primops.cc`](https://github.com/NixOS/nix/blob/master/src/libexpr/primops.cc)

and makes it available for usage by alternative Nix evaluator implementations.