(C++) std::none_of

 

std::none_of is an STL algorithm since the C++11 standard to check if none of the elements from a container satisfy a certain predicate.

 

• Download the Qt Creator project 'CppNone_of' (zip)

 

---

#include <algorithm> #include <cassert> int main() {   //Create a std::vector with only positive values   const std::vector<int> v = { 0,1,2,3,4,5 };   //Assume none of these has a value smaller than zero   assert(std::none_of(v.begin(),v.end(),[](const int i){ return i < 0; } )); }