Introduce SIZE_BYTES and SIZE_BITS constants for all integral types

#KT-8247 Fixed

libraries/stdlib/unsigned/src/kotlin/UByte.kt

@@ -24,6 +24,16 @@ public inline class UByte internal constructor(private val data: Byte) : Compara
          * A constant holding the maximum value an instance of UByte can have.
          */
         public const val MAX_VALUE: UByte = UByte(-1)
+
+        /**
+         * The number of bytes used to represent an instance of UByte in a binary form.
+         */
+        public const val SIZE_BYTES: Int = 1
+
+        /**
+         * The number of bits used to represent an instance of UByte in a binary form.
+         */
+        public const val SIZE_BITS: Int = 8
     }
 
     /**

libraries/stdlib/unsigned/src/kotlin/UInt.kt

@@ -24,6 +24,16 @@ public inline class UInt internal constructor(private val data: Int) : Comparabl
          * A constant holding the maximum value an instance of UInt can have.
          */
         public const val MAX_VALUE: UInt = UInt(-1)
+
+        /**
+         * The number of bytes used to represent an instance of UInt in a binary form.
+         */
+        public const val SIZE_BYTES: Int = 4
+
+        /**
+         * The number of bits used to represent an instance of UInt in a binary form.
+         */
+        public const val SIZE_BITS: Int = 32
     }
 
     /**

libraries/stdlib/unsigned/src/kotlin/ULong.kt

@@ -24,6 +24,16 @@ public inline class ULong internal constructor(private val data: Long) : Compara
          * A constant holding the maximum value an instance of ULong can have.
          */
         public const val MAX_VALUE: ULong = ULong(-1)
+
+        /**
+         * The number of bytes used to represent an instance of ULong in a binary form.
+         */
+        public const val SIZE_BYTES: Int = 8
+
+        /**
+         * The number of bits used to represent an instance of ULong in a binary form.
+         */
+        public const val SIZE_BITS: Int = 64
     }
 
     /**

libraries/stdlib/unsigned/src/kotlin/UShort.kt

@@ -24,6 +24,16 @@ public inline class UShort internal constructor(private val data: Short) : Compa
          * A constant holding the maximum value an instance of UShort can have.
          */
         public const val MAX_VALUE: UShort = UShort(-1)
+
+        /**
+         * The number of bytes used to represent an instance of UShort in a binary form.
+         */
+        public const val SIZE_BYTES: Int = 2
+
+        /**
+         * The number of bits used to represent an instance of UShort in a binary form.
+         */
+        public const val SIZE_BITS: Int = 16
     }
 
     /**