# HG changeset patch
# User IBBoard <dev@ibboard.co.uk>
# Date 1517688727 0
# Node ID 2df568aae5157c65a92364f80a9888afee5f4063
# Parent  41c7cd90921893ca974ed2f2485bdafff5c4d238
Add translation example with notes

diff -r 41c7cd909218 -r 2df568aae515 5-Erlang/translate.erl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/5-Erlang/translate.erl	Sat Feb 03 20:12:07 2018 +0000
@@ -0,0 +1,23 @@
+-module(translate).
+-export([loop/0]).
+
+
+% Invoke with: Pid = spawn(fun translate:loop/0).
+% Send messages with: Pid ! "message".
+% This is async with no return value.
+loop() ->
+    receive
+        % "receive" is a control structure that defines what "messages" we respond to
+        "casa" ->
+            io:format("house~n"),
+            loop(); % And each entry must make sure that we start the loop again
+            % If we had a "quit" message then it just wouldn't call loop()
+            % Because of the way that tail recursion works then calling this last
+            % has almost no overhead, but doing it in the middle would.
+        "blanca" ->
+            io:format("white~n"),
+            loop();
+        _ ->
+            io:format("*blank stare*~n"),
+            loop()
+end.
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