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// Copyright Oliver Kowalke 2009.
// 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 <boost/coroutine/all.hpp>
#include <cstdlib>
#include <iostream>
#include <stdexcept>
#include <string>
#include <boost/bind.hpp>
#include <boost/throw_exception.hpp>
typedef boost::coroutines::asymmetric_coroutine< int >::pull_type pull_coro_t;
typedef boost::coroutines::asymmetric_coroutine< int >::push_type push_coro_t;
struct my_exception : public std::runtime_error
{
my_exception( std::string const& str) :
std::runtime_error( str)
{}
};
void echo( push_coro_t & sink, int j)
{
for ( int i = 0; i < j; ++i)
{
if ( i == 5) boost::throw_exception( my_exception("abc") );
sink( i);
}
}
int main( int argc, char * argv[])
{
pull_coro_t source( boost::bind( echo, _1, 10) );
try
{
while ( source)
{
std::cout << source.get() << std::endl;
source();
}
}
catch ( my_exception const& ex)
{ std::cout << "exception: " << ex.what() << std::endl; }
std::cout << "\nDone" << std::endl;
return EXIT_SUCCESS;
}
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