73ef4ff3
 Hu Chunming
提交三方库
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/*=============================================================================
Copyright (c) 2001-2007 Joel de Guzman
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 <iostream>
#include <algorithm>
#include <vector>
#include <boost/phoenix/scope.hpp>
#include <boost/phoenix/core.hpp>
#include <boost/phoenix/operator.hpp>
#include <boost/phoenix/function.hpp>
namespace lazy_stuff
{
using boost::phoenix::function;
struct for_each_impl
{
typedef void result_type;
template <typename C, typename F>
void operator()(C& c, F f) const
{
std::for_each(c.begin(), c.end(), f);
}
};
function<for_each_impl> const for_each = for_each_impl();
struct push_back_impl
{
typedef void result_type;
template <typename C, typename T>
void operator()(C& c, T& x) const
{
c.push_back(x);
}
};
function<push_back_impl> const push_back = push_back_impl();
}
int
main()
{
{
using lazy_stuff::for_each;
using lazy_stuff::push_back;
using boost::phoenix::lambda;
using boost::phoenix::arg_names::arg1;
using boost::phoenix::arg_names::arg2;
using boost::phoenix::local_names::_a;
int x = 10;
std::vector<std::vector<int> > v(10);
for_each(arg1,
lambda(_a = arg2)
[
push_back(arg1, _a)
]
)
(v, x);
}
return 0;
}
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