September Morn Update

Task/Loops-Nested/Neko/loops-nested.neko

@@ -0,0 +1,43 @@
+/**
+ Loops/Nested in Neko
+ Tectonics:
+   nekoc loops-nested.neko
+   neko loops-nested.neko
+*/
+
+var random = $loader.loadprim("std@random_new", 0)();
+var random_int = $loader.loadprim("std@random_int", 2);
+
+var values = $amake(10);
+var row = 0;
+var col = 0;
+
+while row < 10 {
+  values[row] = $amake(10);
+  col = 0;
+  while col < 10 {
+    values[row][col] = random_int(random, 20) + 1;
+    col += 1;
+  }
+  row += 1;
+}
+
+/* Look for a 20 */
+/*
+ To break out of nested loops, (without using labels and $goto),
+   Neko needs the value of the inner loop(s).
+ The break statement sets the return value of a loop expression.
+ Without a break, the value of a loop expression is unspecified.
+*/
+var inner;
+row = 0;
+while row < 10 {
+  col = 0;
+  inner = while col < 10 {
+    $print("values[", row, "][", col, "] = ", values[row][col], "\n");
+    if values[row][col] == 20 break true;
+    col += 1;
+  }
+  if $istrue(inner) break;
+  row += 1;
+}