Family Day update

Task/Loops-Nested/Pike/loops-nested.pike

@@ -0,0 +1,24 @@
+int main()
+{
+    // enumerate() normally returns a linearly enumerated array, but
+    // allows for the forth argument to specify a function that will
+    // be called and return the value that should be in each cell. We
+    // create an anonymous function (lambda) that just returns a
+    // random value.
+    array a = ({});
+    for(int i=0; i<20; i++)
+        a += ({ enumerate( 20, 1, 1, lambda(){return random(20)+1;} ) });
+
+    // We could use for() and a[x][y] indexing, but foreach is just
+    // shorter and easier to use even if the 2D-array becomes less
+    // obvious.
+ mynestedloops:
+    foreach(a, array inner_a) {
+        foreach(inner_a, int value) {
+            write(value +" ");
+            if(value == 20)
+                break mynestedloops;
+        }
+    }
+    write("\n");
+}