From the [http://www.elasticworld.org/man/elastic.html elastiC Manual].

package hello;

    // Import the `basic' package
    import basic;

    // Define a simple function
    function hello()
    {
        // Print hello world
        basic.print( "Hello world!\n" );
    }

    /*
     *  Here we start to execute package code
     */

    // Invoke the `hello' function
    hello();