fallback_policy_fwd.hpp File Reference

#include <boost/log/detail/config.hpp>

Include dependency graph for fallback_policy_fwd.hpp:

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Classes
struct	boost::fallback_to_default< DefaultT >
	The fallback_to_default policy results in a default value if the attribute value cannot be extracted. More...

Namespaces
	boost
	Duration formatting facet for input.

Detailed Description

Author

Andrey Semashev

Date

18.08.2012

The header contains forward declaration of fallback policies when attribute value visitation or extraction fails.