@@ -0,0 +1,22 @@
+#include <accumulate.hpp>
+#include <range.hpp>
+
+#include <iostream>
+#include <vector>
+
+int main() {
+    std::vector<int> vec = {0, 1, 2, 3, 4, 5};
+    // accumulate adds elements by default
+    std::cout << "accumulate({1, 2, 3, 4, 5}): { ";
+    for (auto i : iter::accumulate(vec)) {
+        std::cout << i << ' ';
+    }
+    std::cout << "}\n";
+
+    // accumulate with a lambda for subtraction
+    std::cout << "accumulate({1, 2, 3, 4, 5}, subtract): { ";
+    for (auto i : iter::accumulate(vec, [](int a, int b){return a - b;})) {
+        std::cout << i << ' ';
+    }
+    std::cout << "}\n";
+}