A modern programming language that makes developers happier.

kotlinlang

Compiles_without_warnings_and_explodes.kt

I'm really puzzled. Here's the stack trace
```
Exception in thread "Thread-0" java.lang.NoClassDefFoundError: Bar$ifNotBusyPerform$1
	at Bar.ifNotBusySayHello(IntegrationTest.kt:254)
	at Bar$start$$inlined$synchronized$lambda$1.invoke(IntegrationTest.kt:207)
	at Bar$start$$inlined$synchronized$lambda$1.invoke(IntegrationTest.kt:179)
	at kotlin.concurrent.ThreadsKt$thread$thread$1.run(Thread.kt:18)
Caused by: java.lang.ClassNotFoundException: Bar$ifNotBusyPerform$1
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)```