forked from boostorg/mpl
35 lines
1.0 KiB
C++
35 lines
1.0 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/test/aux_/has_distance.cpp source file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2000-02
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// Aleksey Gurtovoy
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include "boost/mpl/aux_/has_distance.hpp"
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#include "boost/mpl/aux_/has_distance_spec.hpp"
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#include "boost/static_assert.hpp"
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namespace mpl = boost::mpl;
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struct iter0 {};
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template< typename T > struct iter1
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{
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template< typename > struct BOOST_MPL_AUX_ITERATOR_DISTANCE;
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};
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namespace boost { namespace mpl {
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BOOST_MPL_AUX_HAS_DISTANCE_SPEC(1,iter1)
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}}
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int main()
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{
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BOOST_STATIC_ASSERT(!mpl::aux::has_distance<iter0>::value);
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BOOST_STATIC_ASSERT(mpl::aux::has_distance< iter1<int> >::value);
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return 0;
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}
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