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Function template contains

boost::log::expressions::contains

Synopsis

// In header: <boost/log/expressions/predicates/contains.hpp>


template<typename DescriptorT, template< typename > class ActorT, 
         typename SubstringT> 
  unspecified contains(attribute_keyword< DescriptorT, ActorT > const &, 
                       SubstringT const & substring);

Description

The function generates a terminal node in a template expression. The node will check if the attribute value, which is assumed to be a string, contains the specified substring.


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