Add example of ALGO_FOR_EACH and ALGO_REDUCE

example/ex11-algo01.c

@@ -0,0 +1,37 @@
+/* Based on https://en.cppreference.com/w/cpp/algorithm/for_each
+   Need to be built in C11 mode */
+
+#include <stdio.h>
+#include "m-array.h"
+#include "m-algo.h"
+
+/* Define a dynamic array of int */ 
+ARRAY_DEF(vector_int, int)
+#define M_OPL_vector_int_t() ARRAY_OPLIST(vector_int)
+
+/* Define operator increment on int */
+#define INC(n) (n)++
+
+int main(void)
+{
+  M_LET( (nums, 3, 4, 2, 8, 15, 267), vector_int_t) {
+    // Print the array before
+    printf ("before:");
+    ALGO_FOR_EACH(nums, vector_int_t, M_PRINT, " ");
+    printf ("\n");
+
+    // Increment each element of the array
+    ALGO_FOR_EACH(nums, vector_int_t, INC);
+    
+    // Print the array after
+    printf ("after: ");
+    ALGO_FOR_EACH(nums, vector_int_t, M_PRINT, " ");
+    printf ("\n");
+
+    // Sum the elements of the array
+    int sum = 0;
+    ALGO_REDUCE(sum, nums, vector_int_t, add);
+    M_PRINT("sum = ", sum, "\n");
+  }
+  return 0;
+}