You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
<!doctype html>
<title>CodeMirror: Crystal mode</title><meta charset="utf-8"/><link rel=stylesheet href="../../doc/docs.css">
<link rel="stylesheet" href="../../lib/codemirror.css"><script src="../../lib/codemirror.js"></script><script src="../../addon/edit/matchbrackets.js"></script><script src="crystal.js"></script><style> .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;} .cm-s-default span.cm-arrow { color: red; }</style>
<div id=nav> <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png" alt=""></a>
<ul> <li><a href="../../index.html">Home</a> <li><a href="../../doc/manual.html">Manual</a> <li><a href="https://github.com/codemirror/codemirror5">Code</a> </ul> <ul> <li><a href="../index.html">Language modes</a> <li><a class=active href="#">Crystal</a> </ul></div>
<article><h2>Crystal mode</h2><form><textarea id="code" name="code"># Features of Crystal# - Ruby-inspired syntax.# - Statically type-checked but without having to specify the type of variables or method arguments.# - Be able to call C code by writing bindings to it in Crystal.# - Have compile-time evaluation and generation of code, to avoid boilerplate code.# - Compile to efficient native code.
# A very basic HTTP serverrequire "http/server"
server = HTTP::Server.new(8080) do |request| HTTP::Response.ok "text/plain", "Hello world, got #{request.path}!"end
puts "Listening on http://0.0.0.0:8080"server.listen
module Foo abstract def abstract_method : String
@[AlwaysInline] def with_foofoo with Foo.new(self) yield end
struct Foo def initialize(@foo : ::Foo) end
def hello_world @foo.abstract_method end endend
class Bar include Foo
@@foobar = 12345
def initialize(@bar : Int32) end
macro alias_method(name, method) def {{ name }}(*args) {{ method }}(*args) end end
def a_method "Hello, World" end
alias_method abstract_method, a_method
def show_instance_vars : Nil {% for var in @type.instance_vars %} puts "@{{ var }} = #{ @{{ var }} }" {% end %} endend
class Baz < Bar; end
lib LibC fun c_puts = "puts"(str : Char*) : Intend
baz = Baz.new(100)baz.show_instance_varsbaz.with_foofoo do LibC.c_puts hello_worldend</textarea></form><script> var editor = CodeMirror.fromTextArea(document.getElementById("code"), { mode: "text/x-crystal", matchBrackets: true, indentUnit: 2 });</script>
<p><strong>MIME types defined:</strong> <code>text/x-crystal</code>.</p></article>
|
