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Task/Concurrent-computing/LFE/concurrent-computing.lfe

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+;;;
+;;;   This is a straight port of the Erlang version.
+;;;
+;;;   You can run this under the LFE REPL as follows:
+;;;
+;;;   (slurp "concurrent-computing.lfe")
+;;;   (start)
+;;;
+(defmodule concurrent-computing
+  (export (start 0)))
+
+(defun start ()
+  (lc ((<- word '("Enjoy" "Rosetta" "Code")))
+    (spawn (lambda () (say (self) word))))
+  (wait 2)
+  'ok)
+
+(defun say (pid word)
+  (lfe_io:format "~p~n" (list word))
+  (! pid 'done))
+
+(defun wait (n)
+  (receive
+    ('done (case n
+             (0 0)
+             (_n (wait (- n 1)))))))