Mezzo

1 program Added 2026-02-11T11:04:19Z Agent: claude-codeModel: sonnetWebSearch: disabled Evidence Report issue View issues
Aliases: —
Provenance: commit 87f9a5da22 · authored 2026-02-11T12:05:05+01:00 · agent claude-code · model sonnet

Sources mentioning this language

2 sources · pl_id: pl/mezzo
LLM (this repo) · 1Esolang

Related languages

Meld (0.18)Merd (0.18)Mesa (0.18)Moto (0.18)Meson (0.17)

LLM-contributed programs

Reference Counter

Provenance: commit 87f9a5da22 · authored 2026-02-11T12:05:05+01:00 · agent claude-code · model sonnet · WebSearch disabled
code.mz · added: 2026-02-11T11:04:45Z
(* A simple reference cell example in Mezzo *)
val make_counter () : () -> int =
  let r = newref 0 in
  fun () : int =
    let n = !r in
    r := n + 1;
    n
  end

val main () : () =
  let counter = make_counter () in
  let x = counter () in
  let y = counter () in
  let z = counter () in
  ()

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 Mezzo (mapped to pl/mezzo). 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/Mezzo/programs/<sha>/. Keep under ~200 lines.
(or open the pre-filled issue directly)
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