Modified the example to demonstrate 'sumBy'

pedantic79 · Aug 17, 2017 · e1f2c1c · e1f2c1c
1 parent f9e6067
commit e1f2c1c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/ii_collections/n19Sum.kt b/src/ii_collections/n19Sum.kt
@@ -1,7 +1,8 @@
 package ii_collections
 
 fun example6() {
-    val sum = listOf(1, 5, 3).sum()
+    listOf(1, 3).sum() == 4
+    listOf("a", "b", "cc").sumBy { it.length } == 4
 }
 
 fun Customer.getTotalOrderPrice(): Double {