cleaning up...

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121275 91177308-0d34-0410-b5e6-96231b3b80d8

test/depr/depr.function.objects/depr.adaptors/depr.function.pointer.adaptors/ptr_fun1.pass.cpp

@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// template <CopyConstructible Arg, Returnable Result>
+// pointer_to_unary_function<Arg, Result>
+// ptr_fun(Result (*f)(Arg));
+
+#include <functional>
+#include <type_traits>
+#include <cassert>
+
+double unary_f(int i) {return 0.5 - i;}
+
+int main()
+{
+    assert(std::ptr_fun(unary_f)(36) == -35.5);
+}