Introduce SIZE_BYTES and SIZE_BITS constants for all integral types

#KT-8247 Fixed

libraries/stdlib/js/runtime/primitiveCompanionObjects.kt

@@ -48,6 +48,12 @@ private object IntCompanionObject {
 
     @JsName("MAX_VALUE")
     val MAX_VALUE: Int = 2147483647
+
+    @JsName("SIZE_BYTES")
+    const val SIZE_BYTES = 4
+
+    @JsName("SIZE_BITS")
+    const val SIZE_BITS = 32
 }
 
 @JsName("LongCompanionObject")
@@ -57,6 +63,12 @@ private object LongCompanionObject {
 
     @JsName("MAX_VALUE")
     val MAX_VALUE: Long = js("Kotlin.Long.MAX_VALUE")
+
+    @JsName("SIZE_BYTES")
+    const val SIZE_BYTES = 8
+
+    @JsName("SIZE_BITS")
+    const val SIZE_BITS = 64
 }
 
 @JsName("ShortCompanionObject")
@@ -66,6 +78,12 @@ private object ShortCompanionObject {
 
     @JsName("MAX_VALUE")
     val MAX_VALUE: Short = 32767
+
+    @JsName("SIZE_BYTES")
+    const val SIZE_BYTES = 2
+
+    @JsName("SIZE_BITS")
+    const val SIZE_BITS = 16
 }
 
 @JsName("ByteCompanionObject")
@@ -75,6 +93,12 @@ private object ByteCompanionObject {
 
     @JsName("MAX_VALUE")
     val MAX_VALUE: Byte = 127
+
+    @JsName("SIZE_BYTES")
+    const val SIZE_BYTES = 1
+
+    @JsName("SIZE_BITS")
+    const val SIZE_BITS = 8
 }
 
 @JsName("CharCompanionObject")
@@ -96,6 +120,12 @@ private object CharCompanionObject {
 
     @JsName("MAX_SURROGATE")
     public const val MAX_SURROGATE: Char = MAX_LOW_SURROGATE
+
+    @JsName("SIZE_BYTES")
+    const val SIZE_BYTES = 2
+
+    @JsName("SIZE_BITS")
+    const val SIZE_BITS = 16
 }
 
 private object StringCompanionObject {}

libraries/stdlib/jvm/runtime/kotlin/jvm/internal/PrimitiveCompanionObjects.kt

@@ -24,21 +24,29 @@ internal object FloatCompanionObject {
 internal object IntCompanionObject {
     const val MIN_VALUE: Int = java.lang.Integer.MIN_VALUE
     const val MAX_VALUE: Int = java.lang.Integer.MAX_VALUE
+    const val SIZE_BYTES: Int = 4
+    const val SIZE_BITS: Int = SIZE_BYTES * 8
 }
 
 internal object LongCompanionObject {
     const val MIN_VALUE: Long = java.lang.Long.MIN_VALUE
     const val MAX_VALUE: Long = java.lang.Long.MAX_VALUE
+    const val SIZE_BYTES: Int = 8
+    const val SIZE_BITS: Int = SIZE_BYTES * 8
 }
 
 internal object ShortCompanionObject {
     const val MIN_VALUE: Short = java.lang.Short.MIN_VALUE
     const val MAX_VALUE: Short = java.lang.Short.MAX_VALUE
+    const val SIZE_BYTES: Int = 2
+    const val SIZE_BITS: Int = SIZE_BYTES * 8
 }
 
 internal object ByteCompanionObject {
     const val MIN_VALUE: Byte = java.lang.Byte.MIN_VALUE
     const val MAX_VALUE: Byte = java.lang.Byte.MAX_VALUE
+    const val SIZE_BYTES: Int = 1
+    const val SIZE_BITS: Int = SIZE_BYTES * 8
 }
 
 
@@ -49,6 +57,8 @@ internal object CharCompanionObject {
     const val MAX_LOW_SURROGATE: Char = '\uDFFF'
     const val MIN_SURROGATE: Char = MIN_HIGH_SURROGATE
     const val MAX_SURROGATE: Char = MAX_LOW_SURROGATE
+    const val SIZE_BYTES: Int = 2
+    const val SIZE_BITS: Int = SIZE_BYTES * 8
 }
 
 internal object StringCompanionObject {}

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
     }
 
     /**