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//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)

//This example shows how to throw exception objects that support

//transporting of arbitrary data to the catch site, even for types

//that do not derive from boost::exception.

#include <boost/exception/all.hpp>

#include <stdexcept>

typedef boost::error_info<struct tag_std_range_min,size_t> std_range_min;

typedef boost::error_info<struct tag_std_range_max,size_t> std_range_max;

typedef boost::error_info<struct tag_std_range_index,size_t> std_range_index;

template <class T>

class

my_container

{

public:

size_t size() const;

T const &

operator[]( size_t i ) const

{

if( i > size() )

throw boost::enable_error_info(std::range_error("Index out of range")) <<

std_range_min(0) <<

std_range_max(size()) <<

std_range_index(i);

//....

}

};

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