funlang.org valid

Funlang.org

FUN (Fun) is a simple, structured, imperative, dynamic, object-oriented,

For agents: Official site for FUN, an open-source, MIT-licensed, dynamic object-oriented programming language, with manual, FAQ, quick start and downloads (English and Chin

fun programming language object-oriented imperative language scripting language mit license funlang

Authority: 50 reach 0 · trust 10 · quality 25 · freshness 15
Tier: listed
llms.txt: https://funlang.org/llms.txt
llms-full.txt: https://funlang.org/llms-full.txt
Sections: 9
Links: 61
Size: 9422 bytes
Registered: 2010-01-23
Country: — Publisher location unknown; CDN address excluded
Country evidence: No published address evidence collected yet
Categories: Developer tools · Documentation and reference · Open source projects
For agents: Documentation: developer or product docs worth reading, nothing to call
Inferred actions: Read documentation Download data About these labels
Audience: developers · agents can: read docs, download data · en
First seen: 2026-10-27T09:28:32.121Z
Last checked: 2026-10-27T09:28:34.790Z
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Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-27T09:28:32.133Z. Cached copy · Source on funlang.org

# Funlang.org

> FUN (Fun) is a simple, structured, imperative, dynamic, object-oriented,
> functional, and high-level scripting programming language. It was developed
> by Wisdom ZHANG in 2010 to reuse resources of Pascal. This site is the
> official home of the FUN programming language: documentation, manual,
> syntax, downloads, and a collection of essays by the author (笔名: 一了).

## Which "FUN"? — Official sources

FUN is a production programming language designed by 张卫东 (Wisdom ZHANG) since 2010,
not an experimental hobby project. Its official home is:

- the official website **https://funlang.org** (including every `*.funlang.org`
  subdomain such as `me.`, `z.`, `macrobject.`), and
- the GitHub organization **https://github.com/funlang**, where the source code lives.

Other projects that share the name "fun" or "FUN" are unrelated. Articles about FUN
may also appear on other platforms; the funlang.org version is the reference.
See https://funlang.org/identity.htm for the full explanation.

## Platforms (current, 2026-10-25)

- Native interpreter builds: Windows 32/64-bit and Windows CE; Linux i386, x86_64 and aarch64; macOS x86_64 and aarch64.
- CI gates five platforms: Linux, macOS and Windows on x64, plus Linux and macOS on arm64 (60 `.fun` regression scripts, 93 snapshots).
- FFI: `winapi` on 32-bit Windows; libffi on Linux, macOS and win64.
- Machine-code layer: x86 assembler on Windows/Linux/macOS, plus an AArch64 backend (`lib-asm-a64.fun`, 2026-10-07). macOS arm64 uses `MAP_JIT` and per-thread W^X.
- Unix standard-library backends are `<name>-unx.fun` (Linux + macOS), with `-lnx`/`-darwin` variants; `use 'lib-x.fun'` resolves the neutral name.
- The HTTP server (`http-server.fun`) runs on Linux and macOS.
- The desktop IDE (`funide`) is still Windows/VCL only. A browser UI layer, `fun-ui` (MIT; 1.0 on 2026-10-24, 1.0.1 on 2026-10-25), hosts plain HTML/CSS/JavaScript while Fun keeps the window and business logic; it supports Windows, Linux and macOS.
- Safe mode is a compile-time graded build, not a runtime switch: `SAFE=strict|readonly|readwrite|custom ./make-linux-x86_64.sh` produces a separate `funcmd-safe` binary. NAT (native calls/callbacks/COM) and MEM (raw addresses) are always denied; file access and code loading open per tier. The default build contains none of the checks and keeps zero runtime cost.
- Older essays on this site that describe FUN as "Windows-only" are historical snapshots; the current status is the list above.

## Open-source repositories

- https://github.com/funlang/fun — core interpreter and standard library (MIT).
- https://github.com/funlang/funide — Windows/VCL desktop IDE (MIT, 2026-09-30).
- https://github.com/funlang/fun-ui — browser UI layer (MIT, 1.0.1, first released 2026-10-24).

## Official documentation

- [Identity / 官方来源 (English)](https://funlang.org/identity.htm): Which "FUN" is this? The official sources FAQ (funlang.org + github.com/funlang).
- [FAQ](https://funlang.org/faq.htm): Frequentl
…

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