Modified the example to demonstrate 'sumBy'

svtk · svtk · commit e1f2c1cfeeeb · 2017-08-17T13:38:22.000+02:00
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 {

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,8 @@`
`1`	`1`	`package ii_collections`
`2`	`2`
`3`	`3`	`fun example6() {`
`4`		`- val sum = listOf(1, 5, 3).sum()`
	`4`	`+ listOf(1, 3).sum() == 4`
	`5`	`+ listOf("a", "b", "cc").sumBy { it.length } == 4`
`5`	`6`	`}`
`6`	`7`
`7`	`8`	`fun Customer.getTotalOrderPrice(): Double {`