Update benchmarks

Author: qwwdfsad

benchmarks/build.gradle.kts

@@ -54,13 +54,14 @@ tasks.named<Jar>("jmhJar") {
 }
 
 dependencies {
-    compile("org.openjdk.jmh:jmh-core:1.26")
-    compile("io.projectreactor:reactor-core:${version("reactor")}")
-    compile("io.reactivex.rxjava2:rxjava:2.1.9")
-    compile("com.github.akarnokd:rxjava2-extensions:0.20.8")
+    implementation("org.openjdk.jmh:jmh-core:1.26")
+    implementation("io.projectreactor:reactor-core:${version("reactor")}")
+    implementation("io.reactivex.rxjava2:rxjava:2.1.9")
+    implementation("com.github.akarnokd:rxjava2-extensions:0.20.8")
 
-    compile("com.typesafe.akka:akka-actor_2.12:2.5.0")
-    compile(project(":kotlinx-coroutines-core"))
+    implementation("com.typesafe.akka:akka-actor_2.12:2.5.0")
+    implementation(project(":kotlinx-coroutines-core"))
+    implementation(project(":kotlinx-coroutines-reactive"))
 
     // add jmh dependency on main
     "jmhImplementation"(sourceSets.main.get().runtimeClasspath)

benchmarks/src/jmh/kotlin/benchmarks/flow/scrabble/SequencePlaysScrabble.kt

@@ -30,7 +30,7 @@ open class SequencePlaysScrabble : ShakespearePlaysScrabble() {
         val bonusForDoubleLetter: (String) -> Int = { word: String ->
             toBeMaxed(word)
                 .map { letterScores[it - 'a'.toInt()] }
-                .max()!!
+                .maxOrNull()!!
         }
 
         val score3: (String) -> Int = { word: String ->