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https://github.com/jank-lang/jank
A Clojure dialect hosted on LLVM with native C++ interop
https://github.com/jank-lang/jank
clojure compiler cpp functional-programming jit language lisp llvm programming-language
Last synced: 29 days ago
JSON representation
A Clojure dialect hosted on LLVM with native C++ interop
- Host: GitHub
- URL: https://github.com/jank-lang/jank
- Owner: jank-lang
- License: mpl-2.0
- Created: 2014-07-02T14:48:41.000Z (over 10 years ago)
- Default Branch: main
- Last Pushed: 2024-05-18T20:44:56.000Z (6 months ago)
- Last Synced: 2024-05-23T10:23:14.010Z (6 months ago)
- Topics: clojure, compiler, cpp, functional-programming, jit, language, lisp, llvm, programming-language
- Language: C++
- Homepage: https://jank-lang.org
- Size: 4.03 MB
- Stars: 1,456
- Watchers: 41
- Forks: 35
- Open Issues: 16
-
Metadata Files:
- Readme: README.md
- Changelog: HISTORY
- Funding: .github/FUNDING.yml
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
Awesome Lists containing this project
- awesome-programming-languages - Jank - Jank is a Clojure dialect which aims to offer the best of both worlds: dynamic and static. For both of these worlds, jank uses a single runtime, so the transition from one to the other is not only seamless, it can be gradual. (Uncategorized / Uncategorized)
README
# What is jank?
Most simply, jank is a [Clojure](https://clojure.org/) dialect on LLVM with C++ interop.
Less simply, jank is a general-purpose programming language which embraces the interactive,
functional, value-oriented nature of Clojure and the desire for the native
runtime and performance of C++. jank aims to be strongly compatible with
Clojure. While Clojure's default host is the JVM and its interop is with Java,
jank's host is LLVM and its interop is with C++.
For the current progress of jank and its usability, see the tables here: https://jank-lang.org/progress/
The current tl;dr for jank's usability is: **still getting there, but not ready for
use yet**.
## Latest binaries
There are pre-compiled binaries for Ubuntu 22.04, which are built to follow the
`main` branch. You can download a tarball with everything you need here: https://github.com/jank-lang/jank/releases/tag/latest
## Appetizer
```clojure
; Comments begin with a ;
(println "meow") ; => nil
; All built-in data structures are persistent and immutable.
(def george {:name "George Clooney"}) ; => #'user/george
; Though all data is immutable by default, side effects are adhoc.
(defn say-hi [who]
(println (str "Hi " (:name who) "!"))
(assoc who :greeted? true))
; Doesn't change george.
(say-hi george) ; => {:name "George Clooney"
; :greeted? true}
; Many core functions for working with immutable data.
(apply + (distinct [12 8 12 16 8 6])) ; => 42
; Interop with C++ can happen through inline C++.
(defn sleep [ms]
(let [ms (int ms)]
; A special ~{ } syntax can be used from inline C++ to interpolate
; back into jank code.
(native/raw "auto const duration(std::chrono::milliseconds(~{ ms }->data));
std::this_thread::sleep_for(duration);")))
```
## Docs
* [Building jank](./compiler+runtime/doc/build.md)
## Sponsors
If you'd like your name, company, or logo here, you can
[sponsor this project](https://github.com/sponsors/jeaye) for at least $25/m.
## In the news
| [
Clojure Conj 2023](https://www.youtube.com/watch?v=Yw4IAY4Nx_o)
| [
The REPL Interview](https://www.therepl.net/episodes/44/)
| [
Language Introduction](https://youtu.be/ncYlHfK25i0)
| [
Compiler Spotlight](https://compilerspotlight.substack.com/p/language-showcase-jank)
|
| :-----------------------------------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------------------------------------------: | :-: | :-: |