Initial re-commit after CVS disk crash

[SVN r18348]

test/implicit_cast.cpp

@@ -0,0 +1,34 @@
+// Copyright David Abrahams 2003. Permission to copy, use,
+// modify, sell and distribute this software is granted provided this
+// copyright notice appears in all copies. This software is provided
+// "as is" without express or implied warranty, and with no claim as
+// to its suitability for any purpose.
+
+#include <boost/implicit_cast.hpp>
+#include <cassert>
+#include <boost/type.hpp>
+
+using boost::implicit_cast;
+using boost::type;
+
+template <class T>
+type<T> check_return(T) { return type<T>(); }
+
+struct foo
+{
+    foo(char const*) {}
+    operator long() const { return 0; }
+};
+
+typedef type<long> long_type;
+typedef type<foo> foo_type;
+
+int main()
+{
+    type<long> x = check_return(boost::implicit_cast<long>(1));
+    assert(boost::implicit_cast<long>(1) == 1L);
+
+    type<foo> f = check_return(boost::implicit_cast<foo>("hello"));
+    type<long> z = check_return(boost::implicit_cast<long>(foo("hello")));
+    return 0;
+}