The classical introductory exercise. Just say "Hello, World!".
"Hello, World!" is the traditional first program for beginning programming in a new language or environment.
The objectives are simple:
If everything goes well, you will be ready to fetch your first real exercise.
For installation and learning resources, refer to the exercism help page.
To run the provided tests, you will need
Open a terminal window and run the following from the exercise directory:
You should now be able to see the results of the test suite for the exercise.
This is an exercise to introduce users to using Exercism http://en.wikipedia.org/wiki/%22Hello,_world!%22_program
It's possible to submit an incomplete solution so you can see how others have completed the exercise.
(defmodule hello-world-tests (behaviour ltest-unit) (export all)) (include-lib "ltest/include/ltest-macros.lfe") (deftest hello-world (is-equal "Hello, world!" (hello-world:hello-world)))
(defmodule hello-world (export (hello-world 0))) (defun hello-world () "Hello, world!")
A huge amount can be learned from reading other people’s code. This is why we wanted to give exercism users the option of making their solutions public.
Here are some questions to help you reflect on this solution and learn the most from it.