errornovel1.cpp

The following code example is taken from the book
C++ Templates - The Complete Guide, 2nd Edition
by David Vandevoorde, Nicolai M. Josuttis, and Douglas Gregor,
Addison-Wesley, 2017
© Copyright David Vandevoorde, Nicolai M. Josuttis, Douglas Gregor 2017


#include <string>
#include <map>
#include <algorithm>

int main()
{
  std::map<std::string,double> coll;                  
  //...
  // find the first nonempty string in coll:
  auto pos = std::find_if (coll.begin(), coll.end(),
                           [] (std::string const& s) { 
                             return s != "";
                           });
}