Replace BrokenForSomeElements with Byte

Author: dkhalanskyjb

Diff for: kotlinx-coroutines-core/common/src/internal/LockFreeLinkedList.common.kt

@@ -172,15 +172,13 @@ private fun createSegment(id: Long, prev: LockFreeLinkedListSegment): LockFreeLi
 
 private const val SEGMENT_SIZE = 8
 
-private class BrokenForSomeElements private constructor(val forbiddenBits: Byte) {
-    companion object {
-        fun fromBitmask(forbiddenBits: Byte): BrokenForSomeElements? = when (forbiddenBits) {
-            0.toByte() -> null // no one is forbidden
-            else -> BrokenForSomeElements(forbiddenBits)
-        }
+private typealias BrokenForSomeElements = Byte
 
-        val FULLY_BROKEN = BrokenForSomeElements(255.toByte())
-    }
+private fun Byte.Companion.fromBitmask(forbiddenBits: Byte): BrokenForSomeElements? = when (forbiddenBits) {
+    0.toByte() -> null // no one is forbidden
+    else -> forbiddenBits
 }
 
-private val BrokenForSomeElements?.forbiddenBits get() = this?.forbiddenBits ?: 0
+private val Byte.Companion.FULLY_BROKEN: BrokenForSomeElements get() = 255.toByte()
+
+private val BrokenForSomeElements?.forbiddenBits get() = this ?: 0