std::less is an STL predicate to perform operator< on two values.

Example

The code below shows how to replace values that are less than zero by a zero.


#include <vector>

#include <algorithm

#include <numeric>

 

//From http://www.richelbilderbeek.nl/CppReplaceNegativeByZero.htm

void ReplaceNegativeByZero(std::vector<int>& v)

{

  std::replace_if(v.begin(),v.end(),

    std::bind2nd(std::less<int>(),0),0);

}

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(C++) std::less

Example