diff --git a/examples/src/benchmarks/FList.kt b/examples/src/benchmarks/FList.kt
index 17179b006bb..0d0c329d596 100644
--- a/examples/src/benchmarks/FList.kt
+++ b/examples/src/benchmarks/FList.kt
@@ -30,8 +30,8 @@ class StandardFList<T> (override val head: T, override val tail: FList<T>) : FLi
 
 fun <T> FList<T>.plus2(element: T): FList<T> =
     when(this) {
-        is EmptyFList<*> => OneElementFList<T>(element)
-        else => StandardFList<T>(element, this)
+        is EmptyFList<*> -> OneElementFList<T>(element)
+        else -> StandardFList<T>(element, this)
     }
 
 fun <T> FList<T>.plus3(element: T) : FList<T> =
diff --git a/examples/src/benchmarks/LockPerf.kt b/examples/src/benchmarks/LockPerf.kt
index 2937c59dfd1..77379eb7f31 100644
--- a/examples/src/benchmarks/LockPerf.kt
+++ b/examples/src/benchmarks/LockPerf.kt
@@ -8,7 +8,7 @@ import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.locks.ReentrantLock;
 
-fun <T> Int.latch(op: fun CountDownLatch.() : T) : T {
+fun <T> Int.latch(op:  CountDownLatch.() -> T) : T {
     val cdl = CountDownLatch(this)
     val res = cdl.op()
     cdl.await()