| // |
| // placeholder_const_ref_test.cpp - forming a const& to _1 |
| // |
| // Copyright 2015 Peter Dimov |
| // |
| // 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/bind/placeholders.hpp> |
| #include <boost/is_placeholder.hpp> |
| #include <boost/core/lightweight_test.hpp> |
| |
| // |
| |
| template<class T> void test( T const &, int i ) |
| { |
| BOOST_TEST_EQ( boost::is_placeholder<T>::value, i ); |
| } |
| |
| int main() |
| { |
| using namespace boost::placeholders; |
| |
| test( _1, 1 ); |
| test( _2, 2 ); |
| test( _3, 3 ); |
| test( _4, 4 ); |
| test( _5, 5 ); |
| test( _6, 6 ); |
| test( _7, 7 ); |
| test( _8, 8 ); |
| test( _9, 9 ); |
| |
| return boost::report_errors(); |
| } |