Update of /cvsroot/boost/boost/libs/intrusive/example
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv4327/example
Added Files:
doc_erasing_and_disposing.cpp
Removed Files:
doc_erasing_and_destroying.cpp
Log Message:
no message
--- NEW FILE: doc_erasing_and_disposing.cpp ---
/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2006-2007
//
// 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/intrusive for documentation.
//
/////////////////////////////////////////////////////////////////////////////
//[doc_erasing_and_disposing
#include <boost/intrusive/list.hpp>
//A class that can be inserted in an intrusive list
class my_class
: public boost::intrusive::list_base_hook<>
{
public:
my_class(int i)
: int_(i)
{}
int int_;
//...
};
//Definition of the intrusive list
typedef boost::intrusive::list< my_class::value_traits<my_class> >
my_class_list;
//The predicate function
class is_even
{
public:
bool operator()(const my_class &c) const
{ return 0 == (c.int_ % 2); }
};
//The disposer object function
class delete_disposer
{
public:
void operator()(my_class *delete_this)
{ delete delete_this; }
};
int main()
{
const int MaxElem = 100;
//Fill all the nodes and insert them in the list
my_class_list list;
try{
//Insert new objects in the container
for(int i = 0; i < MaxElem; ++i){
list.push_back(*new my_class(i));
}
//Now use remove_and_dispose_if to erase and delete the objects
list.remove_and_dispose_if(is_even(), delete_disposer());
}
catch(...){
//If something throws, make sure that all the memory is freed
list.clear_and_dispose(delete_disposer());
throw;
}
//Dispose remaining elements
list.erase_and_dispose(list.begin(), list.end(), delete_disposer());
return 0;
}
//]
--- doc_erasing_and_destroying.cpp DELETED ---
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