Hello World

Time to write your first Halcyon program. Create a file named main.hc containing the following:

<span class='hljs-keyword'>module</span> hello_world =
  <span class='hljs-keyword'>do</span> <span class='hljs-title class_'>std</span><span class='hljs-punctuation'>::</span><span class='hljs-title function_'>println</span> <span class='hljs-string'>"Hello World!"</span>
<span class='hljs-keyword'>end</span>