Crystal (programming language): Difference between revisions

Revision as of 16:37, 2 February 2016

Revision as of 16:47, 2 February 2016

Line 1:

'''Crystal''' is a [[general-purpose programming language|general-purpose]], [[object-oriented programming language|object-oriented]] programming language designed and developed by Ary Borenszweig and Juan Wajnerman. Crystal is developed as open source and its syntax is inspired by [[Ruby (programming language)|Ruby]]. Crystal is statically type-checked but without having to specify the type of variables or method arguments. Its first official release was released in June 2014.<ref>[http://motion-express.com/blog/why-use-crystal-lang Why Crystal programming language?]</ref><ref>[http://crystal-lang.org/2014/06/19/crystal-0.1.0-released.html Crystal 0.1.0 released!]</ref> While the original Crystal compiler was written in Ruby, in 2013 a new compiler written using the Crystal programming language itself was released. <ref>[http://crystal-lang.org/2013/11/14/good-bye-ruby-thursday.html Good-bye Ruby Thursday]</ref> The current release version is 0.11.1 and the language is still in an experimental phase of development.

== Examples ==

=== [[Hello worldWorld]] ===

This is the simplest way to write the Hello World program in Crystal:

Line 10:

</syntaxhighlight>

Or using an [[object-oriented programming|object-oriented programming]] style:

<syntaxhighlight lang="ruby">