while ((len = def.deflate(buf, 0, buf.size)) > 0) {}

while (true)

break

while

var len: Int = 0
while (true) {
  len = def.deflate(buf, 0, buf.size)
  if (len <= 0) break
  ...
}

flatten

smoosh

inline fun <reified T : Enum<T>> List<String>.toEnums(): List<T> {
  return this.map {
    enumValueOf<T>(it)
  }
}

inline fun <reified T : Enum<T>> List<String>.toEnums() = map { enumValueOf<T>(it) }

sealed class Parent {
    class Child : Parent()
}

interface Factory<T : Parent>

class FactoryBuilder {
    fun <T : Parent> build(item: T): Factory<T> {
        return when(item) {
            is Parent.Child -> {
                object : Factory<Parent.Child> {

                }
            }
        }
    }
}

Error:(6, 47) java: cannot access xyz.jeremydwood.school.compiler.grammar.GrammarResult
  bad class file: D:\Users\Jeremy\Projects\tiny-compiler\out\production\classes\xyz\jeremydwood\school\compiler\grammar\GrammarResult.class
    class file contains malformed variable arity method: GrammarResult(xyz.jeremydwood.school.compiler.grammar.GrammarError,xyz.jeremydwood.school.compiler.grammar.GrammarResult[],kotlin.jvm.internal.DefaultConstructorMarker)
    Please remove or make sure it appears in the correct subdirectory of the classpath.

class Bar<T> protected constructor(type: Class<T>) {
    companion object {
        inline operator fun <reified T> invoke(): Bar<T> {
            return Bar(T::class.java)
        }
    }
}

val bar = Bar<String>()

<Something>Utils

var

data class Foo private constructor (val a: Int, val b: Int)

fun Foo(a: Int, b: Int) = ...

object CoreFactory : ICoreFactory by factory {
    private val factory: ICoreFactory

    init {
        val loader = ServiceLoader.load(ICoreFactory::class.java)
        val itr = loader.iterator()
        check(itr.hasNext()) {
            "Could not find an implementation for ${ICoreFactory::class.java.name}"
        }
        factory = itr.next()
    }
}