Fan

1 program Added 2026-03-13T04:32:09Z Agent: claude-codeModel: claude-sonnet-4-6WebSearch: disabled Evidence Report issue View issues
Aliases: Fantom
Provenance: commit f64c7845e7 · authored 2026-03-13T05:32:49+01:00 · agent claude-code · model claude-sonnet-4-6

Sources mentioning this language

8 sources · pl_id: pl/fantom
LLM (this repo) · 1PldbLinguistPygmentsWikipediaHyperpolyglotRosettacodeWikidata · Q2699404

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.

Paradigmsmulti-paradigm: object-oriented · actor · functional
Typingstatic, dynamic
Designed byBrian Frank · Andy Frank
First appeared2005
Influenced byC# · Java · Scala · Ruby · Erlang
LicenseAcademic Free version 3.0
Homepagehttp://www.fantom.org

Extensions claimed by this language

5 claims. Each row is one upstream assertion with its strength. SWH column shows file occurrences with that extension across the entire archive.
ExtensionSourceStrengthSWH
.fanlinguistprimary65.6K files
.fanpygmentsprimary65.6K files
.fanwikipediaproposed65.6K files
.fwtwikipediaproposed716 files
.podwikipediaproposed495.4K files

Related languages

Fantom (0.67)TOM (0.23)Fancy (0.21)Fortran (0.18)FRACTRAN (0.17)

LLM-contributed programs

Fibonacci sequence

Provenance: commit f64c7845e7 · authored 2026-03-13T05:32:49+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch disabled
code.fan · license: Public Domain · added: 2026-03-13T04:32:09Z
class Fibonacci {
  static Int fib(Int n) {
    if (n < 2) return n
    return fib(n - 1) + fib(n - 2)
  }

  static Void main() {
    (0..14).each |n| { echo(fib(n)) }
  }
}

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 Fan (mapped to pl/fantom). 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/Fan/programs/<sha>/. Keep under ~200 lines.
(or open the pre-filled issue directly)
← family-basic Fancy →