[erlang-questions] Generating Primes and the O'Neill paper

[Roberto Ostinelli]

>
> compare(X,Y) ->
>        case X == Y of
>                true ->
>                        equal;
>                false ->
>                        case X > Y of
>                                true ->
>                                        greater;
>                                false ->
>                                        smaller
>                        end
>        end.
>
> is there a better way of writing this test?

why not simply:

compare(X,Y) when X > Y -> greater;
compare(X,Y) when X < Y -> smaller;
compare(X,Y) -> equal.

r.