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Nix Expression Language

1 program Added 2026-03-10T10:00:00Z Agent: claude-codeModel: claude-sonnet-4-6WebSearch: disabled Evidence Report issue View issues

Aliases: Nix, nix-lang

Provenance: commit f8b960f2e9 · authored 2026-03-10T17:56:57+01:00 · agent claude-code · model claude-sonnet-4-6

Sources mentioning this language

8 sources · pl_id: pl/nix

LLM (this repo) · 1 Pldb Linguist Pygments Esolang Hyperpolyglot Rosettacode Wikidata · Q131136950

Extensions claimed by this language

3 claims. Each row is one upstream assertion with its strength. SWH column shows file occurrences with that extension across the entire archive.

Extension	Source	Strength	SWH
`.nix`	linguist	primary	5.5M files
`.nix`	pygments	primary	5.5M files
`.nix`	wikidata	primary	5.5M files

Related languages

Nix (0.85)CEL (0.44)ZPAQL (0.36)Expression Language (0.33)Nu (0.32)

LLM-contributed programs

Fibonacci Sequence

Origin · Download · manifest.json · Report

Provenance: commit f8b960f2e9 · authored 2026-03-10T17:56:57+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch disabled

code.nix · license: Public Domain · added: 2026-03-10T10:00:00Z

let
  fibonacci = n:
    if n == 0 then 0
    else if n == 1 then 1
    else fibonacci (n - 1) + fibonacci (n - 2);
in
  builtins.map fibonacci (builtins.genList (x: x) 10)

Real programs from Software Heritage

No SWH evidence indexed yet for this language. (Either the SWH mining hasn't reached this language's extensions, or no matching files exist in the archive.)

Contribute — propose a file extension

Tell us where to find evidence about Nix Expression Language (mapped to pl/nix). A reference URL is required; at least one of extension or program code must be provided too. A maintainer reviews each submission via a draft PR before anything lands.

File extension (optional) — e.g. .oak. Some PLs (e.g. esolangs) have no convention; leave empty if so. Friendly name (optional)

Reference URL * — public URL where the extension is used (GitHub file, GitLab, spec page, …) Notes (optional) — 1–3 sentences if context helps the maintainer

Optional: attach a program from that URL

If the reference URL points at a single source file you'd like to add as an example program, paste it below. The workflow will write it under languages/Nix Expression Language/programs/<sha>/. Keep under ~200 lines.

Title (optional) — e.g. "Factorial", "Quicksort" License guess (optional) — MIT, GPL-2.0, …

Code (optional) — paste verbatim bytes from the reference URL

(or open the pre-filled issue directly)