end()-1 equals to prev(end)

Author: keineahnung2345

iterator_end_minus_1_prev.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+#include <iterator>
+#include <string>
+
+//https://stackoverflow.com/questions/15578178/how-to-end-iteration-through-a-c-stdset-one-element-early
+
+using namespace std;
+
+int main() {
+    string str("hello world");
+    
+    cout << *prev(str.end()) << endl; //d
+    cout << *(str.end()-1) << endl; //d
+    
+    return 0;
+}