[Boost-users] fork() example asio 1_52_0

Subject: [Boost-users] fork() example asio 1_52_0
From: Marco Piacentini (marcopiacenta_at_[hidden])
Date: 2011-03-11 09:31:07

Hi...do you know what it means the parameters "_1" and "_2"?

socket_.async_read_some(boost::asio::buffer(data_),boost::bind(&server::handle_read,
 this, _1, _2));

the complete example is:
http://think-async.com/Asio/boost_asio_1_5_2/doc/html/boost_asio/example/fork/process_per_connection.cpp