examples/calc.rb in ernie-0.3.3 vs examples/calc.rb in ernie-0.3.4

@@ -1,8 +1,24 @@
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 require 'ernie'
 
+# Just about the easiest example I could thing of.
 mod(:calc) do
   fun(:add) do |a, b|
     a + b
+  end
+end
+
+# Useful for tests that need to simulate longer running functions.
+mod(:slowcalc) do
+  fun(:add) do |a, b|
+    sleep(rand * 2)
+    a + b
+  end
+end
+
+# Throw an error
+mod(:errorcalc) do
+  fun(:add) do |a, b|
+    raise "abandon hope!"
   end
 end
\ No newline at end of file