vector_pop_front.cpp

Author: keineahnung2345

vector_pop_front.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <vector>
+#include <algorithm>
+#include <cassert> //assert
+
+//https://stackoverflow.com/questions/9445327/fast-way-to-implement-pop-front-to-a-stdvector
+
+template<typename T>
+void pop_front(std::vector<T>& vec)
+{
+    assert(!vec.empty());
+    vec.erase(vec.begin());
+}
+
+int main() {
+    std::vector<int> vec = {1,2,3,4,5,6};
+    pop_front(vec);
+    
+    for(int e : vec){
+        std::cout << e << " ";
+    }
+    std::cout << std::endl;
+    
+    return 0;
+}
+
+//2 3 4 5 6