Made 2.16 pass.

nthorne · Jul 22, 2018 · f3d6239 · f3d6239
1 parent 3047d6e
commit f3d6239
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/ii_collections/n16FlatMap.kt b/src/ii_collections/n16FlatMap.kt
@@ -9,10 +9,10 @@ fun example() {
 
 val Customer.orderedProducts: Set<Product> get() {
     // Return all products this customer has ordered
-    todoCollectionTask()
+    return this.orders.flatMap { it.products }.toSet()
 }
 
 val Shop.allOrderedProducts: Set<Product> get() {
     // Return all products that were ordered by at least one customer
-    todoCollectionTask()
+    return this.customers.flatMap { it.orders.flatMap { it.products } }.toSet()
 }