(C++) std::equal

 

std::equal is an STL algorithm to compare two ranges for equality.

 

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#include <algorithm> #include <cassert> #include <vector> int main() {   std::vector<int> v1;   v1.push_back( std::rand() );   v1.push_back( std::rand() );   v1.push_back( std::rand() );   std::vector<int> v2(v1);   assert(std::equal(v1.begin(),v1.end(),v2.begin()));   v2.push_back( std::rand() );   assert( std::equal(v1.begin(),v1.end(),v2.begin()));   assert(!std::equal(v2.begin(),v2.end(),v1.begin())); }