https://github.com/clojure/core.contracts
Contracts programming
https://github.com/clojure/core.contracts
Last synced: 8 months ago
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Contracts programming
- Host: GitHub
- URL: https://github.com/clojure/core.contracts
- Owner: clojure
- License: epl-1.0
- Created: 2012-04-27T17:49:28.000Z (over 13 years ago)
- Default Branch: master
- Last Pushed: 2024-07-15T17:58:21.000Z (over 1 year ago)
- Last Synced: 2025-03-31T11:06:55.319Z (9 months ago)
- Language: Clojure
- Size: 146 KB
- Stars: 128
- Watchers: 28
- Forks: 15
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
README
clojure.core.contracts
========================================
Contracts programming for Clojure.
Project status: [Inactive](https://clojure.org/community/contrib_libs). The author (fogus) considers this library to have been superseded by [clojure.spec](https://github.com/clojure/spec.alpha).
Based on [Trammel](http://github.com/fogus/trammel) and [clojure-contracts](http://github.com/dnaumov/clojure-contracts).
Releases and Dependency Information
========================================
Latest stable release: 0.0.6
* [All Released Versions](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.clojure%22%20AND%20a%3A%22core.contracts%22)
* [Development Snapshot Versions](https://oss.sonatype.org/index.html#nexus-search;gav~org.clojure~core.contracts~~~)
[CLI/`deps.edn`](https://clojure.org/reference/deps_and_cli) dependency information:
```clojure
org.clojure/core.contracts {:mvn/version "0.0.6"}
```
[Leiningen](https://github.com/technomancy/leiningen) dependency information:
[org.clojure/core.contracts "0.0.6"]
[Maven](http://maven.apache.org/) dependency information:
org.clojure
core.contracts
0.0.6
Example Usage
========================================
```clojure
(use 'clojure.core.contracts)
(def secure-doubler
(with-constraints
(fn [n] (* 2 n))
(contract doubler
"ensures doubling"
[x] [number? => (= (* 2 x) %)]
[x y] [(every? number? [x y])
=>
(= (* 2 (+ x y)) %)])))
(secure-doubler 10)
;=> 20
```
Refer to docstrings in the `clojure.core.contracts` namespace.
Documentation
========================================
[core.contracts API](http://clojure.github.io/core.contracts/)
See also the [wiki](/clojure/core.contracts/wiki) for some documentation and examples.
Developer Information
========================================
* [GitHub project](https://github.com/clojure/core.contracts)
* [Bug Tracker](https://clojure.atlassian.net/browse/CCONTRACTS)
* [Continuous Integration](https://github.com/clojure/core.contracts/actions/workflows/test.yml)
* [References](https://github.com/clojure/core.contracts/blob/master/References.md)
Change Log
====================
* Release 0.0.6 on 2016.08.20
* Bump dependency on newest version of core.unify, which fixes a compilation problem with Clojure 1.9.0-alpha11
* Release 0.0.5 on 2013.06.28
* Speedier constrained record perf.
* Release 0.0.4 on 2013.03.07
* Rolled in `defconstrainedrecord`
* Rolled in associative checks
* Release 0.0.1 on 2012.06.01
* Rolled in `contract`, `with-constraints` and `provide` from Trammel
Copyright and License
========================================
Copyright (c) Rich Hickey, Michael Fogus and contributors, 2023. All rights reserved. The use and distribution terms for this software are covered by the Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) which can be found in the file epl-v10.html at the root of this distribution. By using this software in any fashion, you are agreeing to be bound bythe terms of this license. You must not remove this notice, or any other, from this software.