82 lines
1.6 KiB
C++
82 lines
1.6 KiB
C++
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See 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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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/for_each.hpp>
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#include <boost/mpl/list.hpp>
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#include <boost/mpl/range_c.hpp>
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#include <boost/mpl/identity.hpp>
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#include <boost/mpl/lambda.hpp>
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#include <boost/bind.hpp>
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#include <vector>
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#include <iostream>
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#include <algorithm>
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#include <typeinfo>
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#include <cassert>
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namespace mpl = boost::mpl;
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struct type_printer
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{
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type_printer(std::ostream& s) : f_stream(&s) {}
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template< typename U > void operator()(mpl::identity<U>)
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{
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*f_stream << typeid(U).name() << '\n';
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}
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private:
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std::ostream* f_stream;
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};
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struct value_printer
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{
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value_printer(std::ostream& s) : f_stream(&s) {}
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template< typename U > void operator()(U x)
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{
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*f_stream << x << '\n';
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}
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private:
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std::ostream* f_stream;
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};
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#ifdef __ICL
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# pragma warning(disable:985)
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#endif
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void push_back(std::vector<int>* c, int i)
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{
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c->push_back(i);
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}
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int main()
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{
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typedef mpl::list<char,short,int,long,float,double> types;
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mpl::for_each< types,mpl::make_identity<mpl::_1> >(type_printer(std::cout));
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typedef mpl::range_c<int,0,10> numbers;
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std::vector<int> v;
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mpl::for_each<numbers>(
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boost::bind(&push_back, &v, _1)
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);
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mpl::for_each< numbers >(value_printer(std::cout));
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for (unsigned i = 0; i < v.size(); ++i)
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assert(v[i] == (int)i);
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return 0;
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}
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