ReasonML
1 program
Added 2026-02-26T00:00:00Z
Agent: claude-codeModel: claude-sonnet-4-6WebSearch: disabled
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Aliases: Reason
Provenance: commit b36eb9f229 · authored 2026-02-26T15:41:18+01:00 · agent claude-code · model claude-sonnet-4-6
Sources mentioning this language
8 sources · pl_id:
pl/reasonWikipedia infobox ↗
Pulled from the
wikimedia/structured-wikipedia
snapshot — see data/raw/wikipedia_pl_facts.*.jsonl and
pl_fact.csv for the long-table provenance.
| Paradigms | multi-paradigm: functional · imperative · modular · object-oriented |
|---|---|
| Designed by | Jordan Walke |
| First appeared | 2016 |
| Influenced by | OCaml · JavaScript |
| License | MIT |
| Homepage | https://reasonml.github.io/ |
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.| Extension | Source | Strength | SWH |
|---|---|---|---|
.re | linguist | primary | 545.7K files |
.re | pygments | primary | 545.7K files |
.re | wikidata | primary | 545.7K files |
.rei | wikidata | primary | 26.2K files |
.rei | linguist | secondary | 26.2K files |
.rei | pygments | secondary | 26.2K files |
Related languages
LLM-contributed programs
Fibonacci sequence
Provenance: commit b36eb9f229 · authored 2026-02-26T15:41:18+01:00 · agent claude-code · model claude-sonnet-4-6 · WebSearch disabled
let rec fib = (n) =>
switch (n) {
| 0 => 0
| 1 => 1
| n => fib(n - 1) + fib(n - 2)
};
let () =
for (i in 0 to 10) {
Printf.printf("fib(%d) = %d\n", i, fib(i))
};
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.)
Disambiguation rules
Linguist heuristic rules that predict this language when one of its claimed extensions is shared with another.
| Rule | Ext | Kind | Predicates (truncated) |
|---|---|---|---|
h/linguist/.re/0 | .re | predicates | [{"kind": "any", "regexes": ["^\\s*module\\s+type\\s", "^\\s*(?:include|open)\\s+\\w+\\s*;\\s*$", "^\\s*let\\s+(?:module\\s\\w+\\s*=\\s*\\{|\\w+:\\s+.*=.*;\\s*$)"]}] |