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60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/test/for_each.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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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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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 <typeinfo>
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#include <cassert>
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namespace mpl = boost::mpl;
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using mpl::_;
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struct printer
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{
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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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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<_> >(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,mpl::_>(
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boost::bind(&std::vector<int>::push_back, &v, _1)
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);
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for (int i = 0; i < v.size(); ++i)
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assert(v[i] == i);
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return 0;
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}
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