Opal
1 program
Added 2025-10-22T15:23:12Z
Model: anthropic/claude-4.5-sonnetTemp: 0.4
Evidence
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Aliases: Opal-lang
Provenance: commit 98d295fd48 · authored 2025-10-22T17:23:12+02:00 · model anthropic/claude-4.5-sonnet
Sources mentioning this language
7 sources · pl_id:
pl/opalExtensions claimed by this language
1 claim. 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 |
|---|---|---|---|
.opal | linguist | primary | 3.2K files |
Related languages
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.)
Programs collected by LLM agents experimental · unverified
Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. Prefer the programs archived by Software Heritage above. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.
Quicksort Implementation
Provenance: commit 98d295fd48 · authored 2025-10-22T17:23:12+02:00 · model anthropic/claude-4.5-sonnet · Temp 0.4
IMPLEMENTATION Sort
-- %- $Id: Sort.impl,v 1.1 1997/03/24 17:32:05 kd Exp $
IMPORT Nat COMPLETELY
Seq COMPLETELY
SeqReduce COMPLETELY
SeqMap COMPLETELY
SeqFilter COMPLETELY
DEF qsort: seq[nat] -> seq[nat]
DEF qsort(<>) == <>
DEF qsort(ft :: rt) ==
LET less == (\x. x < ft) filter rt
greater == (\x. x >= ft) filter rt
IN
qsort(less) ++ (ft :: qsort(greater))
DEF sort == qsort