use Struct, but watch ==

avoid to create an Array of chars, a String is perfectly fine

refactor the main loop

wrap everything in a module

some refactoring for #10

add mikbe's solution

lets.use -> this {}

remove debug code

solution

solve these nasty bugs, yeah!

basic solution for #5 solving the first sample

add quick solution for #11

add solution for #10. Quick and hacky, but it works !

add outputs

simple working solution for #12