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Merging in changes trunk updates: adding standard error_info typedefs, updating the documentation.

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[SVN r55094]
This commit is contained in:
Emil Dotchevski
2009-07-22 20:55:50 +00:00
parent 6a8b96d9c3
commit 0f5a51238b
64 changed files with 13772 additions and 8727 deletions
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13
example/error_info_1.cpp
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@ -6,18 +6,17 @@
//This example shows how to add data to boost::exception objects at the
//point of the throw, and how to retrieve that data at the point of the catch.
#include <boost/exception.hpp>
#include <errno.h>
#include <boost/exception/all.hpp>
#include <iostream>
typedef boost::error_info<struct tag_errno,int> errno_info; //(1)
typedef boost::error_info<struct tag_my_info,int> my_info; //(1)
class my_error: public boost::exception, public std::exception { }; //(2)
struct my_error: virtual boost::exception, virtual std::exception { }; //(2)
void
f()
{
throw my_error() << errno_info(errno); //(3)
throw my_error() << my_info(42); //(3)
}
void
@ -30,7 +29,7 @@ g()
catch(
my_error & x )
{
if( int const * err=boost::get_error_info<errno_info>(x) )
std::cerr << "Error code: " << *err;
if( int const * mi=boost::get_error_info<my_info>(x) )
std::cerr << "My info: " << *mi;
}
}