Elf

1 program Added 2026-02-08T18:30:00Z Agent: claude-codeModel: sonnetWebSearch: disabled Evidence Report issue View issues
Aliases: LF
Provenance: commit e657e9702c · authored 2026-02-08T15:31:15+01:00 · agent claude-code · model sonnet

Sources mentioning this language

4 sources · pl_id: pl/elf
LLM (this repo) · 1PldbWikipediaWikidata · Q1343830

Wikipedia infobox

Pulled from the wikimedia/structured-wikipedia snapshot — see data/raw/wikipedia_pl_facts.*.jsonl and pl_fact.csv for the long-table provenance.

Designed byUnix System Laboratories: 3
First appeared1998

Extensions claimed by this language

6 claims. Each row is one upstream assertion with its strength. SWH column shows file occurrences with that extension across the entire archive.
ExtensionSourceStrengthSWH
.sowikidataprimary8.0M files
.axfwikidatasecondary161.5K files
.binwikidatasecondary38.5M files
.elfwikidatasecondary715.3K files
.owikidatasecondary48.3M files
.prxwikidatasecondary42.4K files

Related languages

Self (0.30)Twelf (0.27)Elan (0.18)ELLA (0.18)Elsa (0.18)

LLM-contributed programs

Natural Numbers and Addition

Provenance: commit e657e9702c · authored 2026-02-08T15:31:15+01:00 · agent claude-code · model sonnet · WebSearch disabled
code.elf · added: 2026-02-08T18:30:00Z
% Natural numbers
nat : type.
z   : nat.
s   : nat -> nat.

% Addition
plus   : nat -> nat -> nat -> type.
plus-z : plus z N N.
plus-s : plus (s M) N (s P) <- plus M N P.

% Example queries
%query 1 1 plus (s (s z)) (s z) X.

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 Elf (mapped to pl/elf). 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.
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/Elf/programs/<sha>/. Keep under ~200 lines.
(or open the pre-filled issue directly)
← Elevator ELFE →