distance.cpp

C++的一个好库。。。现在很流行

// Copyright Aleksey Gurtovoy 2000-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.

// $Source: /cvsroot/boost/boost/libs/mpl/test/distance.cpp,v $
// $Date: 2004/09/02 15:41:35 $
// $Revision: 1.4 $

#include <boost/mpl/distance.hpp>
#include <boost/mpl/list.hpp>
#include <boost/mpl/range_c.hpp>

#include <boost/mpl/aux_/test.hpp>


MPL_TEST_CASE()
{
    typedef list<char,short,int,long>::type list;
    typedef begin<list>::type first;
    typedef end<list>::type last;
    
    MPL_ASSERT_RELATION( (mpl::distance<first,last>::value), ==, 4 );
}

MPL_TEST_CASE()
{
    typedef range_c<int,0,10>::type range;
    typedef begin<range>::type first;
    typedef end<range>::type last;
    
    MPL_ASSERT_RELATION( (mpl::distance<first,last>::value), ==, 10 );
}