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Updated site for 1.2.2. BLOG IS NOT FINISHED YET!
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| spec_current: /documentation/current/spec/html_single/index.html | ||
| spec_relative: spec/html_single/index.html | ||
| apidoc_current: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.2.1/module-doc | ||
| apidoc_current: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.2.2/module-doc | ||
| apidoc_1_0: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.0.0/module-doc | ||
| apidoc_1_1: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.1.0/module-doc | ||
| apidoc_1_2: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.2.1/module-doc | ||
| apidoc_1_2: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.2.2/module-doc | ||
| ceylon_tool_current: /documentation/current/reference/tool/ceylon/subcommands | ||
|
|
||
| apidoc_current_language: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.2.1/module-doc | ||
| apidoc_current_collection: https://modules.ceylon-lang.org/repo/1/ceylon/collection/1.2.1/module-doc | ||
| apidoc_current_dbc: https://modules.ceylon-lang.org/repo/1/ceylon/dbc/1.2.1/module-doc | ||
| apidoc_current_file: https://modules.ceylon-lang.org/repo/1/ceylon/file/1.2.1/module-doc | ||
| apidoc_current_html: https://modules.ceylon-lang.org/repo/1/ceylon/html/1.2.1/module-doc | ||
| apidoc_current_interop_java: https://modules.ceylon-lang.org/repo/1/ceylon/interop/java/1.2.1/module-doc | ||
| apidoc_current_interop_browser: https://modules.ceylon-lang.org/repo/1/ceylon/interop/browser/1.2.1/module-doc | ||
| apidoc_current_io: https://modules.ceylon-lang.org/repo/1/ceylon/io/1.2.1/module-doc | ||
| apidoc_current_json: https://modules.ceylon-lang.org/repo/1/ceylon/json/1.2.1/module-doc | ||
| apidoc_current_locale: https://modules.ceylon-lang.org/repo/1/ceylon/locale/1.2.1/module-doc | ||
| apidoc_current_logging: https://modules.ceylon-lang.org/repo/1/ceylon/logging/1.2.1/module-doc | ||
| apidoc_current_math: https://modules.ceylon-lang.org/repo/1/ceylon/math/1.2.1/module-doc | ||
| apidoc_current_net: https://modules.ceylon-lang.org/repo/1/ceylon/net/1.2.1/module-doc | ||
| apidoc_current_process: https://modules.ceylon-lang.org/repo/1/ceylon/process/1.2.1/module-doc | ||
| apidoc_current_promise: https://modules.ceylon-lang.org/repo/1/ceylon/promise/1.2.1/module-doc | ||
| apidoc_current_regex: https://modules.ceylon-lang.org/repo/1/ceylon/regex/1.2.1/module-doc | ||
| apidoc_current_test: https://modules.ceylon-lang.org/repo/1/ceylon/test/1.2.1/module-doc | ||
| apidoc_current_time: https://modules.ceylon-lang.org/repo/1/ceylon/time/1.2.1/module-doc | ||
| apidoc_current_transaction: https://modules.ceylon-lang.org/repo/1/ceylon/transaction/1.2.1/module-doc | ||
| apidoc_current_unicode: https://modules.ceylon-lang.org/repo/1/ceylon/unicode/1.2.1/module-doc | ||
| apidoc_current_language: https://modules.ceylon-lang.org/repo/1/ceylon/language/1.2.2/module-doc | ||
| apidoc_current_collection: https://modules.ceylon-lang.org/repo/1/ceylon/collection/1.2.2/module-doc | ||
| apidoc_current_dbc: https://modules.ceylon-lang.org/repo/1/ceylon/dbc/1.2.2/module-doc | ||
| apidoc_current_file: https://modules.ceylon-lang.org/repo/1/ceylon/file/1.2.2/module-doc | ||
| apidoc_current_html: https://modules.ceylon-lang.org/repo/1/ceylon/html/1.2.2/module-doc | ||
| apidoc_current_interop_java: https://modules.ceylon-lang.org/repo/1/ceylon/interop/java/1.2.2/module-doc | ||
| apidoc_current_interop_browser: https://modules.ceylon-lang.org/repo/1/ceylon/interop/browser/1.2.2/module-doc | ||
| apidoc_current_io: https://modules.ceylon-lang.org/repo/1/ceylon/io/1.2.2/module-doc | ||
| apidoc_current_json: https://modules.ceylon-lang.org/repo/1/ceylon/json/1.2.2/module-doc | ||
| apidoc_current_locale: https://modules.ceylon-lang.org/repo/1/ceylon/locale/1.2.2/module-doc | ||
| apidoc_current_logging: https://modules.ceylon-lang.org/repo/1/ceylon/logging/1.2.2/module-doc | ||
| apidoc_current_math: https://modules.ceylon-lang.org/repo/1/ceylon/math/1.2.2/module-doc | ||
| apidoc_current_net: https://modules.ceylon-lang.org/repo/1/ceylon/net/1.2.2/module-doc | ||
| apidoc_current_process: https://modules.ceylon-lang.org/repo/1/ceylon/process/1.2.2/module-doc | ||
| apidoc_current_promise: https://modules.ceylon-lang.org/repo/1/ceylon/promise/1.2.2/module-doc | ||
| apidoc_current_regex: https://modules.ceylon-lang.org/repo/1/ceylon/regex/1.2.2/module-doc | ||
| apidoc_current_test: https://modules.ceylon-lang.org/repo/1/ceylon/test/1.2.2/module-doc | ||
| apidoc_current_time: https://modules.ceylon-lang.org/repo/1/ceylon/time/1.2.2/module-doc | ||
| apidoc_current_transaction: https://modules.ceylon-lang.org/repo/1/ceylon/transaction/1.2.2/module-doc | ||
| apidoc_current_unicode: https://modules.ceylon-lang.org/repo/1/ceylon/unicode/1.2.2/module-doc |
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| --- | ||
| title: Ceylon 1.2.2 is now available | ||
| author: Tako Schotanus | ||
| layout: blog | ||
| unique_id: blogpage | ||
| tab: blog | ||
| tags: [release, news, progress, 1.2.2] | ||
| --- | ||
|
|
||
| [spec]: /documentation/1.2/spec | ||
| [toolset]: /documentation/1.2/reference/tool/ceylon/subcommands/index.html | ||
| [ceylon.language]: https://herd.ceylon-lang.org/modules/ceylon.language | ||
| [sdk]: https://modules.ceylon-lang.org/categories/SDK | ||
| [ide features]: /documentation/1.2/ide/features/ | ||
| [Ceylon Herd]: https://herd.ceylon-lang.org | ||
| [documentation]: /documentation/1.2 | ||
| [license]: /code/licenses/ | ||
| [community]: /community/ | ||
| [download]: /download/ | ||
| [git]: https://github.com/ceylon | ||
| [issues]: /code/issues | ||
| [Web IDE]: http://try.ceylon-lang.org | ||
| [quick-intro]: /documentation/1.2/introduction/ | ||
|
|
||
| Three months after the last major release, | ||
| [Ceylon 1.2.2][download] is a new maintenance release, | ||
| with almost [100 issues][] closed, including new features, | ||
| improvements and bug fixes such as: | ||
|
|
||
| - you can now iterate `java.lang.Iterable` values in `for` statements | ||
| and use `java.lang.AutoCloseable` values in `try` statements, | ||
| - support for [Java 9 and Jigsaw modules](/blog/2015/12/17/java9-jigsaw), | ||
| - experimental support for [type functions][] on the JVM, | ||
| - reduced run-time dependencies for your Ceylon program, | ||
| - better interoperation with JavaScript arrays, | ||
| - better compatibility with previous and future Ceylon releases. | ||
|
|
||
| Note that for the JVM backend, this release is backwards-compatible | ||
| with the previous major release (`1.2.0`), which means you can use | ||
| modules compiled with `1.2.0` on a `1.2.1` distribution out of the box. | ||
| This is not as easy the other way around, if you want to run modules | ||
| compiled for `1.2.1` on a `1.2.0` distribution, which is why we | ||
| recommend you upgrade to `1.2.1`. | ||
|
|
||
| Sadly, on the JavaScript backend, we had to break binary compatibility | ||
| to fix serious interoperation issues, and so modules compiled for `1.2.1` | ||
| and `1.2.0` are not compatible. We recommend you upgrade your distribution | ||
| to `1.2.1` and recompile your modules. | ||
|
|
||
| [type functions]: /blog/2015/06/03/generic-function-refs/ | ||
| [100 issues]: https://github.com/ceylon/ceylon/issues?q=is%3Aissue+milestone%3A1.2.1+is%3Aclosed | ||
|
|
||
| ## About Ceylon | ||
|
|
||
| Ceylon is a modern, modular, statically typed programming | ||
| language for the Java and JavaScript virtual machines. The | ||
| language features a flexible and very readable syntax, a | ||
| unique and uncommonly elegant static type system, a powerful | ||
| module architecture, and excellent tooling, including an | ||
| awesome Eclipse-based IDE. | ||
|
|
||
| Ceylon enables the development of cross-platform modules | ||
| that execute portably in both virtual machine environments. | ||
| Alternatively, a Ceylon module may target one or the other | ||
| platform, in which case it may interoperate with native code | ||
| written for that platform. | ||
|
|
||
| ## In the box | ||
|
|
||
| [This release][download] includes: | ||
|
|
||
| - a complete [language specification][spec] that defines the | ||
| syntax and semantics of Ceylon in language accessible to | ||
| the professional developer, | ||
| - a [command line toolset][toolset] including compilers for | ||
| Java and JavaScript, a documentation compiler, a test | ||
| runner, a WAR archive packager, and support for executing | ||
| modular programs on the JVM and Node.js, | ||
| - a powerful module architecture for code organization, | ||
| dependency management, and module isolation at runtime, | ||
| - the [language module][ceylon.language], our minimal, | ||
| cross-platform foundation of the [Ceylon SDK][sdk], and | ||
| - a [full-featured][ide features] Eclipse-based integrated | ||
| development environment. | ||
|
|
||
| ## Language | ||
|
|
||
| Ceylon is a highly understandable object-oriented language | ||
| with static typing. The language features: | ||
|
|
||
| - an emphasis upon __readability__ and a strong bias toward | ||
| __omission or elimination of potentially-harmful or | ||
| potentially-ambiguous constructs__ and toward highly | ||
| __disciplined use of static types__, | ||
| - an extremely powerful and uncommonly elegant type system | ||
| combining subtype and parametric polymorphism with: | ||
| - first-class __union and intersection types__, | ||
| - both __declaration-site and use-site variance__, and | ||
| - the use of principal types for __local type inference__ | ||
| and __flow-sensitive typing__, | ||
| - a unique treatment of __function and tuple types__, | ||
| enabling powerful abstractions, along with the most | ||
| __elegant approach to `null`__ of any modern language, | ||
| - first-class constructs for defining __modules and | ||
| dependencies between modules__, | ||
| - a very flexible syntax including __comprehensions__ and | ||
| support for expressing __tree-like structures__, | ||
| - __fully-reified generic types__, on both the JVM and | ||
| JavaScript virtual machines, and a unique __typesafe | ||
| metamodel__. | ||
|
|
||
| More information about these language features may be | ||
| found in the [feature list](/features) and | ||
| [quick introduction][quick-intro]. | ||
|
|
||
| ## IDE | ||
|
|
||
| Ceylon IDE now features the following improvements, along | ||
| with many bugfixes and a number of performance enhancements: | ||
|
|
||
| - improved documentation hover, | ||
| - better UI responsiveness, | ||
| - support running on Java 9. | ||
|
|
||
| A number of important subsystems have been abstracted and | ||
| rewritten in Ceylon, to support the ongoing development of | ||
| the new IntelliJ-based IDE for Ceylon. | ||
|
|
||
| ## SDK | ||
|
|
||
| The [platform modules][sdk], recompiled for 1.2.1, are | ||
| available in the shared community repository, [Ceylon Herd][]. | ||
|
|
||
| This release introduces several new platform modules: | ||
|
|
||
| - `ceylon.numeric` is a cross-platform module containing math | ||
| operations for `Integer` and `Float`. In time it will replace parts of | ||
| the JVM-only `ceylon.math` module. | ||
| - `ceylon.decimal` is a JVM-only module (but soon to be cross-platform) | ||
| containing arbitrary-length decimal support. In time it will replace parts of | ||
| the JVM-only `ceylon.math` module. | ||
| - `ceylon.whole` is a cross-platform module containing arbitrary-length | ||
| integer support. In time it will replace parts of | ||
| the JVM-only `ceylon.math` module. | ||
| - `ceylon.random` is a cross-platform module containing random number | ||
| generators. In time it will replace parts of | ||
| the JVM-only `ceylon.math` module. | ||
| - `ceylon.interop.browser` contains JavaScript-only interoperation | ||
| functions and types for the DOM, HTML and `XMLHttpRequest`. | ||
|
|
||
| Along with several API enhancements and bugfixes, including: | ||
|
|
||
| - Many new features for `ceylon.test`, the Ceylon Test Suite. | ||
| - Performance improvement of the `ceylon.json` parser. | ||
|
|
||
| ## Web IDE | ||
|
|
||
| You can try Ceylon using the [Web IDE][], featuring syntax highlighting, | ||
| interactive error reporting, autocompletion, online | ||
| documentation, and persistence and code sharing via Gist. | ||
|
|
||
| The Web IDE serves a dual purpose as a standard example | ||
| demonstrating the use of Ceylon for web application | ||
| development and deployment to the [OpenShift][] cloud | ||
| platform. | ||
|
|
||
| ## Community | ||
|
|
||
| The Ceylon community site, <http://ceylon-lang.org>, includes | ||
| [documentation][], and information about | ||
| [getting involved][community]. | ||
|
|
||
| ## Source code | ||
|
|
||
| The source code for Ceylon, its specification, and its website, | ||
| is freely available from [GitHub][git]. | ||
|
|
||
| Information about Ceylon's open source licenses is available | ||
| [here][license]. | ||
|
|
||
| ## Issues | ||
|
|
||
| Bugs and suggestions may be reported in GitHub's | ||
| [issue tracker][issues]. | ||
|
|
||
| ## Migrating from Ceylon 1.2.0 | ||
|
|
||
| Migration from Ceylon 1.2.0 is easy. To recompile a module for | ||
| 1.2.1: | ||
|
|
||
| - First ensure that its dependencies have also been | ||
| recompiled. | ||
| - If it imports a Ceylon SDK platform module, upgrade the | ||
| version number specified by the module `import` statement | ||
| from `"1.2.0"` to `"1.2.1"` . | ||
| - If it was compiled against Ceylon `1.2.0` you should still | ||
| be able to use it in `1.2.1` for the JVM backend, | ||
| as it is backwards-compatible. Sadly, this is not the case | ||
| for the JavaScript backend, and so you will need to recompile | ||
| your modules with `1.2.1`. | ||
|
|
||
| ## Acknowledgement | ||
|
|
||
| As always, we're deeply grateful to the community volunteers | ||
| who contributed a substantial part of the current Ceylon | ||
| codebase, working in their own spare time. The following | ||
| people have contributed to Ceylon: | ||
|
|
||
| Gavin King, Stéphane Épardaud, Tako Schotanus, Tom Bentley, | ||
| David Festal, Enrique Zamudio, Bastien Jansen, | ||
| Emmanuel Bernard, Aleš Justin, Tomáš Hradec, James Cobb, | ||
| Ross Tate, Max Rydahl Andersen, Mladen Turk, | ||
| Lucas Werkmeister, Roland Tepp, Diego Coronel, Matej Lazar, | ||
| John Vasileff, Toby Crawley, Julien Viet, Loic Rouchon, | ||
| Stephane Gallès, Ivo Kasiuk, Corbin Uselton, Paco Soberón, | ||
| Michael Musgrove, Daniel Rochetti, Henning Burdack, | ||
| Luke deGruchy, Rohit Mohan, Griffin DeJohn, Casey Dahlin, | ||
| Alexander Altman, Alexander Zolotko, Alex Szczuczko, | ||
| Andrés G. Aragoneses, Anh Nhan Nguyen, Brice Dutheil, | ||
| Carlos Augusto Mar, Charles Gould, Chris Gregory, klinger, | ||
| Martin Voelkle, Mr. Arkansas, Paŭlo Ebermann, Vorlent, | ||
| Akber Choudhry, Renato Athaydes, Flavio Oliveri, | ||
| Michael Brackx, Brent Douglas, Lukas Eder, Markus Rydh, | ||
| Julien Ponge, Pete Muir, Nicolas Leroux, Brett Cannon, | ||
| Geoffrey De Smet, Guillaume Lours, Gunnar Morling, | ||
| Jeff Parsons, Jesse Sightler, Oleg Kulikov, Raimund Klein, | ||
| Sergej Koščejev, Chris Marshall, Simon Thum, Maia Kozheva, | ||
| Shelby, Aslak Knutsen, Fabien Meurisse, Sjur Bakka, | ||
| Xavier Coulon, Ari Kast, Dan Allen, Deniz Türkoglu, | ||
| F. Meurisse, Jean-Charles Roger, Johannes Lehmann, allentc, | ||
| Nikolay Tsankov, Chris Horne, Gabriel Mirea, Georg Ragaller, | ||
| Harald Wellmann, klinger, Oliver Gondža, Stephen Crawley, | ||
| Byron Clark, Francisco Reverbel, Jonas Berlin, Luke Hutchison, | ||
| Nikita Ostroumov, Santiago Rodriguez, Sean Flanigan. |
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