[erlang-questions] re cursive fun()
Mon Oct 6 04:30:06 CEST 2008
On 5 Oct 2008, at 4:19 pm, deepblue_other wrote:
> I have this going on
> FunVar =
> fun() ->
Shouldn't this go in a FAQ somewhere?
Maybe it belongs in the reference manual.
The quick answer is that if you need a recursive
function, why not write a recursive function in the
There's something particularly nasty about this
example. One normally proves (or at any rate
argues with vigourously waving hands for) the
termination of a recursive function by showing
that some non-negative measure of its arguments
strictly decreases on each recursive call, but
this function has no arguments. I think we need
to see more of it.
The long answer is that you can always do
Rec = fun (Self, Args) ->
Foo = fun (Args) -> Rec(Rec, Args) end,
It's possible, but you are working against the
grain of the language, and there is most likely
a better way to achieve your goals.
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