/*=============================================================================
Copyright (c) 2018 Nikita Kniazev
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)
==============================================================================*/
// Checks that rhs Phoenix actor is taken by value on assignment.
// The wrapper function is used to ensure that created temporaries are
// out of scope (as they will be created on the other stack frame).
boost::function<void>
int