[erlang-questions] or?

[Circular Function]

if i instead of :

fib(N) ->
        if
                N > 1 ->
                        fib(N-1) + fib(N-2);
                N == 1 ->
                        1;
                N == 0 ->
                        0
        end.

want to do:

fib(N) ->
        if
                N > 1 ->
                        fib(N-1) + fib(N-2);
                N == 1 or N == 0 ->
                        N
        end.

it doenst work, how do i use or?
http://www.erlang.org/doc/reference_manual/part_frame.html
doesnt provide an actual example of how to use it.



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