jwhiteman

(define y2
  (lambda (c)
    ((lambda (h)
       (h h))
     (lambda (f)
       (c (lambda (x y)
            ((f f) x y)))))))

(define make-rember
  (y2 (lambda (f)

jwhiteman

Y = fun(C) ->
  (fun(H) ->
     H(H)
   end)(
     fun(F) ->
       C(fun(X) -> (F(F))(X) end)
     end
   )
end.

jwhiteman

Gotcha with Erlang

➜  v-kserl-v-02-code  erl
Erlang R16B03-1 (erts-5.10.4) [source] [64-bit] [smp:4:4] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]

Eshell V5.10.4  (abort with ^G)
1> VALUE = fun() -> io:format("I have value!~n") end.
#Fun<erl_eval.20.80484245>
2> K = mykey.
mykey

jwhiteman

require 'httparty'
include HTTParty

('aa'..'zz').select { |r| 
  sleep 0.20
  puts "trying #{r}"
  self.class.head("https://twitter.com/#{r}").code == 404
}

# => ['me', 'oh']