1// Boost.Units - A C++ library for zero-overhead dimensional analysis and
2// unit/quantity manipulation and conversion
3//
4// Copyright (C) 2003-2008 Matthias Christian Schabel
5// Copyright (C) 2008 Steven Watanabe
6//
7// Distributed under the Boost Software License, Version 1.0. (See
8// accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10
11#include <boost/core/ignore_unused.hpp>
12#include <boost/units/systems/si/base.hpp>
13#include <boost/units/quantity.hpp>
14
15void foo()
16{
17 BOOST_CONSTEXPR_OR_CONST boost::units::quantity<boost::units::si::dimensionless> d = boost::units::quantity< boost::units::si::dimensionless >();
18 boost::ignore_unused(d);
19}
20

source code of boost/libs/units/test/test_dimensionless_ice1.cpp