Erase Remove idiom

CppUG_EraseRemove.cpp

#include <vector> 
#include <algorithm> 

int main() { 	
    std::vector<int> v = {1, 2, 3, 4, 2, 5, 2, 6}; 	
    v.erase(std::remove(std::begin(v), 
                        std::end(v), 
                        2), 	        
            std::end(v)); 

    // using a custom predicate	
    v.erase(std::remove_if(std::begin(v), 
                           std::end(v),
                           [](int i) { 
                               return i%2 == 0; 
                           }),
 	    std::end(v)); 
}