1 files changed, 32 insertions, 0 deletions
diff --git a/src/boost/libs/thread/tutorial/factorial.cpp b/src/boost/libs/thread/tutorial/factorial.cpp
new file mode 100644
index 000000000..9dd1001d9
--- /dev/null
+++ b/src/boost/libs/thread/tutorial/factorial.cpp
@@ -0,0 +1,32 @@
+// Copyright (C) 2001-2003
+// William E. Kempf
+//
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying 
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/thread/thread.hpp>
+#include <iostream>
+
+class factorial
+{
+public:
+    factorial(int x, int& res) : x(x), res(res) { }
+    void operator()() { res = calculate(x); }
+    int result() const { return res; }
+
+private:
+    int calculate(int x) { return x <= 1 ? 1 : x * calculate(x-1); }
+
+private:
+    int x;
+    int& res;
+};
+
+int main()
+{
+    int result;
+    factorial f(10, result);
+    boost::thread thrd(f);
+    thrd.join();
+    std::cout << "10! = " << result << std::endl;
+}