Re: Self-awareness of functions?

[Henk Boom <henk@...>]

On 30 December 2010 01:33, Dirk Laurie <dpl@sun.ac.za> wrote:
> On Thu, Dec 30, 2010 at 07:44:22AM +0200, Henk Boom wrote:
>> What about a utility function written purely in lua?
>>
>> -----
>>
>> function recursify(f)
>>   local function g(...)
>>     return f(g, ...)
>>   end
>>   return g
>> end
>>
>> fact = recursify(function (self, n)
>>   if n == 1 then
>>     return 1
>>   else
>>     return n * self(n-1)
>>   end
>> end)
>>
>> -----
>
> What three people tell me is true, to paraphrase the Bellman.
> Your 'recursify' is what Drake calls the "Y combinator", also
> posted by Wim.  It's the winner!

I thought there might be a relationship, but I wasn't sure :)

    henk