Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of boost. Click here for the latest Boost documentation.
PrevUpHomeNext

Function template visit

boost::log::visit

Synopsis

// In header: <boost/log/attributes/value_visitation.hpp>


template<typename T, typename VisitorT> 
  visitation_result visit(attribute_value const & value, VisitorT visitor);

Description

The function applies a visitor to an attribute value. The user has to explicitly specify the type or set of possible types of the attribute value to be visited.

Parameters:

value

The attribute value to visit.

visitor

A receiving function object to pass the attribute value to.

Returns:

The result of visitation.


PrevUpHomeNext