forked from boostorg/exception
Documentation and examples update.
[SVN r54831]
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@ -6,18 +6,17 @@
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//This example shows how to add data to boost::exception objects at the
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//point of the throw, and how to retrieve that data at the point of the catch.
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#include <boost/exception.hpp>
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#include <errno.h>
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#include <boost/exception/all.hpp>
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#include <iostream>
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typedef boost::error_info<struct tag_errno,int> errno_info; //(1)
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typedef boost::error_info<struct tag_my_info,int> my_info; //(1)
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class my_error: public boost::exception, public std::exception { }; //(2)
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void
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f()
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{
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throw my_error() << errno_info(errno); //(3)
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throw my_error() << my_info(42); //(3)
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}
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void
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@ -30,7 +29,7 @@ g()
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catch(
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my_error & x )
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{
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if( int const * err=boost::get_error_info<errno_info>(x) )
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std::cerr << "Error code: " << *err;
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if( int const * mi=boost::get_error_info<my_info>(x) )
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std::cerr << "My info: " << *mi;
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}
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}
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