lab19: init

lab19/with-prob.rb

@@ -0,0 +1,20 @@
+def with_prob (prob)
+  yield if (Random.rand < prob)
+end
+
+with_prob 0.42 do
+  puts "There is a 42% chance that this code will print"
+end
+
+
+
+def foo x
+  with_prob 0.5 do
+    puts "Executing with_prob block"
+    return 0
+  end
+  return x
+end
+
+puts "Foo is #{foo 1}"
+