A tribool is a data type similar to a bool, except that its value, next to true and false, can be boost::logic::indeterminate.

Download the Qt Creator project 'Tribool' (zip)


#include <boost/logic/tribool.hpp>



int main()

{

  boost::logic::tribool t = true;

  boost::logic::tribool f = false;

  boost::logic::tribool i = boost::logic::indeterminate;

}

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(C++) tribool, boost::tribool, boost::logic::tribool