Introduce SIZE_BYTES and SIZE_BITS constants for all integral types

#KT-8247 Fixed

compiler/testData/builtin-classes/default/kotlin.txt

@@ -121,6 +121,10 @@ public final class Byte : kotlin.Number, kotlin.Comparable<kotlin.Byte> {
             public final fun <get-MAX_VALUE>(): kotlin.Byte
         public const final val MIN_VALUE: kotlin.Byte
             public final fun <get-MIN_VALUE>(): kotlin.Byte
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -165,6 +169,10 @@ public final class Char : kotlin.Comparable<kotlin.Char> {
             public final fun <get-MIN_LOW_SURROGATE>(): kotlin.Char
         public const final val MIN_SURROGATE: kotlin.Char
             public final fun <get-MIN_SURROGATE>(): kotlin.Char
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -479,6 +487,10 @@ public final class Int : kotlin.Number, kotlin.Comparable<kotlin.Int> {
             public final fun <get-MAX_VALUE>(): kotlin.Int
         public const final val MIN_VALUE: kotlin.Int
             public final fun <get-MIN_VALUE>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -565,6 +577,10 @@ public final class Long : kotlin.Number, kotlin.Comparable<kotlin.Long> {
             public final fun <get-MAX_VALUE>(): kotlin.Long
         public const final val MIN_VALUE: kotlin.Long
             public final fun <get-MIN_VALUE>(): kotlin.Long
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -677,6 +693,10 @@ public final class Short : kotlin.Number, kotlin.Comparable<kotlin.Short> {
             public final fun <get-MAX_VALUE>(): kotlin.Short
         public const final val MIN_VALUE: kotlin.Short
             public final fun <get-MIN_VALUE>(): kotlin.Short
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 

compiler/testData/builtin-classes/java6/kotlin.txt

@@ -123,6 +123,10 @@ public final class Byte : kotlin.Number, kotlin.Comparable<kotlin.Byte>, java.io
             public final fun <get-MAX_VALUE>(): kotlin.Byte
         public const final val MIN_VALUE: kotlin.Byte
             public final fun <get-MIN_VALUE>(): kotlin.Byte
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -168,6 +172,10 @@ public final class Char : kotlin.Comparable<kotlin.Char>, java.io.Serializable {
             public final fun <get-MIN_LOW_SURROGATE>(): kotlin.Char
         public const final val MIN_SURROGATE: kotlin.Char
             public final fun <get-MIN_SURROGATE>(): kotlin.Char
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -493,6 +501,10 @@ public final class Int : kotlin.Number, kotlin.Comparable<kotlin.Int>, java.io.S
             public final fun <get-MAX_VALUE>(): kotlin.Int
         public const final val MIN_VALUE: kotlin.Int
             public final fun <get-MIN_VALUE>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -580,6 +592,10 @@ public final class Long : kotlin.Number, kotlin.Comparable<kotlin.Long>, java.io
             public final fun <get-MAX_VALUE>(): kotlin.Long
         public const final val MIN_VALUE: kotlin.Long
             public final fun <get-MIN_VALUE>(): kotlin.Long
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -693,6 +709,10 @@ public final class Short : kotlin.Number, kotlin.Comparable<kotlin.Short>, java.
             public final fun <get-MAX_VALUE>(): kotlin.Short
         public const final val MIN_VALUE: kotlin.Short
             public final fun <get-MIN_VALUE>(): kotlin.Short
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 

compiler/testData/builtin-classes/java8/kotlin.txt

@@ -123,6 +123,10 @@ public final class Byte : kotlin.Number, kotlin.Comparable<kotlin.Byte>, java.io
             public final fun <get-MAX_VALUE>(): kotlin.Byte
         public const final val MIN_VALUE: kotlin.Byte
             public final fun <get-MIN_VALUE>(): kotlin.Byte
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -168,6 +172,10 @@ public final class Char : kotlin.Comparable<kotlin.Char>, java.io.Serializable {
             public final fun <get-MIN_LOW_SURROGATE>(): kotlin.Char
         public const final val MIN_SURROGATE: kotlin.Char
             public final fun <get-MIN_SURROGATE>(): kotlin.Char
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -495,6 +503,10 @@ public final class Int : kotlin.Number, kotlin.Comparable<kotlin.Int>, java.io.S
             public final fun <get-MAX_VALUE>(): kotlin.Int
         public const final val MIN_VALUE: kotlin.Int
             public final fun <get-MIN_VALUE>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -582,6 +594,10 @@ public final class Long : kotlin.Number, kotlin.Comparable<kotlin.Long>, java.io
             public final fun <get-MAX_VALUE>(): kotlin.Long
         public const final val MIN_VALUE: kotlin.Long
             public final fun <get-MIN_VALUE>(): kotlin.Long
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -695,6 +711,10 @@ public final class Short : kotlin.Number, kotlin.Comparable<kotlin.Short>, java.
             public final fun <get-MAX_VALUE>(): kotlin.Short
         public const final val MIN_VALUE: kotlin.Short
             public final fun <get-MIN_VALUE>(): kotlin.Short
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 

compiler/testData/builtin-classes/newMethods/kotlin.txt

@@ -123,6 +123,10 @@ public final class Byte : kotlin.Number, kotlin.Comparable<kotlin.Byte>, java.io
             public final fun <get-MAX_VALUE>(): kotlin.Byte
         public const final val MIN_VALUE: kotlin.Byte
             public final fun <get-MIN_VALUE>(): kotlin.Byte
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -168,6 +172,10 @@ public final class Char : kotlin.Comparable<kotlin.Char>, java.io.Serializable {
             public final fun <get-MIN_LOW_SURROGATE>(): kotlin.Char
         public const final val MIN_SURROGATE: kotlin.Char
             public final fun <get-MIN_SURROGATE>(): kotlin.Char
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -493,6 +501,10 @@ public final class Int : kotlin.Number, kotlin.Comparable<kotlin.Int>, java.io.S
             public final fun <get-MAX_VALUE>(): kotlin.Int
         public const final val MIN_VALUE: kotlin.Int
             public final fun <get-MIN_VALUE>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -580,6 +592,10 @@ public final class Long : kotlin.Number, kotlin.Comparable<kotlin.Long>, java.io
             public final fun <get-MAX_VALUE>(): kotlin.Long
         public const final val MIN_VALUE: kotlin.Long
             public final fun <get-MIN_VALUE>(): kotlin.Long
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 
@@ -693,6 +709,10 @@ public final class Short : kotlin.Number, kotlin.Comparable<kotlin.Short>, java.
             public final fun <get-MAX_VALUE>(): kotlin.Short
         public const final val MIN_VALUE: kotlin.Short
             public final fun <get-MIN_VALUE>(): kotlin.Short
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BITS: kotlin.Int
+            public final fun <get-SIZE_BITS>(): kotlin.Int
+        @kotlin.SinceKotlin(version = "1.3") public const final val SIZE_BYTES: kotlin.Int
+            public final fun <get-SIZE_BYTES>(): kotlin.Int
     }
 }
 

core/builtins/native/kotlin/Char.kt

@@ -89,6 +89,18 @@ public class Char private constructor() : Comparable<Char> {
          * The maximum value of a Unicode surrogate code unit.
          */
         public const val MAX_SURROGATE: Char = MAX_LOW_SURROGATE
+
+        /**
+         * The number of bytes used to represent a Char in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BYTES: Int = 2
+
+        /**
+         * The number of bits used to represent a Char in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BITS: Int = 16
     }
 
 }

core/builtins/native/kotlin/Primitives.kt

@@ -22,6 +22,18 @@ public class Byte private constructor() : Number(), Comparable<Byte> {
          * A constant holding the maximum value an instance of Byte can have.
          */
         public const val MAX_VALUE: Byte = 127
+
+        /**
+         * The number of bytes used to represent an instance of Byte in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BYTES: Int = 1
+
+        /**
+         * The number of bits used to represent an instance of Byte in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BITS: Int = 8
     }
 
     /**
@@ -198,6 +210,18 @@ public class Short private constructor() : Number(), Comparable<Short> {
          * A constant holding the maximum value an instance of Short can have.
          */
         public const val MAX_VALUE: Short = 32767
+
+        /**
+         * The number of bytes used to represent an instance of Short in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BYTES: Int = 2
+
+        /**
+         * The number of bits used to represent an instance of Short in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BITS: Int = 16
     }
 
     /**
@@ -374,6 +398,18 @@ public class Int private constructor() : Number(), Comparable<Int> {
          * A constant holding the maximum value an instance of Int can have.
          */
         public const val MAX_VALUE: Int = 2147483647
+
+        /**
+         * The number of bytes used to represent an instance of Int in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BYTES: Int = 4
+
+        /**
+         * The number of bits used to represent an instance of Int in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BITS: Int = 32
     }
 
     /**
@@ -565,6 +601,18 @@ public class Long private constructor() : Number(), Comparable<Long> {
          * A constant holding the maximum value an instance of Long can have.
          */
         public const val MAX_VALUE: Long = 9223372036854775807L
+
+        /**
+         * The number of bytes used to represent an instance of Long in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BYTES: Int = 8
+
+        /**
+         * The number of bits used to represent an instance of Long in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BITS: Int = 64
     }
 
     /**

generators/builtins/common.kt

@@ -19,17 +19,18 @@ package org.jetbrains.kotlin.generators.builtins
 import org.jetbrains.kotlin.generators.builtins.ProgressionKind.*
 import kotlin.properties.Delegates
 
-enum class PrimitiveType {
+enum class PrimitiveType(val byteSize: Int?) {
-    BYTE,
+    BYTE(1),
-    CHAR,
+    CHAR(2),
-    SHORT,
+    SHORT(2),
-    INT,
+    INT(4),
-    LONG,
+    LONG(8),
-    FLOAT,
+    FLOAT(null),
-    DOUBLE,
+    DOUBLE(null),
-    BOOLEAN;
+    BOOLEAN(null);
 
     val capitalized: String get() = name.toLowerCase().capitalize()
+
     companion object {
         val exceptBoolean = PrimitiveType.values().filterNot { it == BOOLEAN }
         val onlyNumeric = PrimitiveType.values().filterNot { it == BOOLEAN || it == CHAR }

generators/builtins/primitives.kt

@@ -59,10 +59,10 @@ class GeneratePrimitives(out: PrintWriter) : BuiltInsSourceGenerator(out) {
             generateDoc(kind)
             out.println("public class $className private constructor() : Number(), Comparable<$className> {")
 
-            out.print("    companion object ")
+            out.print("    companion object {")
             if (kind == PrimitiveType.FLOAT || kind == PrimitiveType.DOUBLE) {
                 //val (minValue, maxValue, posInf, negInf, nan) = primitiveConstants(kind)
-                out.println("""{
+                out.println("""
         /**
          * A constant holding the smallest *positive* nonzero value of $className.
          */
@@ -86,12 +86,11 @@ class GeneratePrimitives(out: PrintWriter) : BuiltInsSourceGenerator(out) {
         /**
          * A constant holding the "not a number" value of $className.
          */
-        public val NaN: $className
+        public val NaN: $className""")
-    }""")
             }
             if (kind == PrimitiveType.INT || kind == PrimitiveType.LONG || kind == PrimitiveType.SHORT || kind == PrimitiveType.BYTE) {
                 val (minValue, maxValue) = primitiveConstants(kind)
-                out.println("""{
+                out.println("""
         /**
          * A constant holding the minimum value an instance of $className can have.
          */
@@ -100,9 +99,23 @@ class GeneratePrimitives(out: PrintWriter) : BuiltInsSourceGenerator(out) {
         /**
          * A constant holding the maximum value an instance of $className can have.
          */
-        public const val MAX_VALUE: $className = $maxValue
+        public const val MAX_VALUE: $className = $maxValue""")
-    }""")
             }
+            if (kind.byteSize != null) {
+                out.println("""
+        /**
+         * The number of bytes used to represent an instance of $className in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BYTES: Int = ${kind.byteSize}
+
+        /**
+         * The number of bits used to represent an instance of $className in a binary form.
+         */
+        @SinceKotlin("1.3")
+        public const val SIZE_BITS: Int = ${kind.byteSize * 8}""")
+            }
+            out.println("""    }""")
 
             generateCompareTo(kind)
 

generators/builtins/unsignedTypes.kt

@@ -56,6 +56,16 @@ class UnsignedTypeGenerator(val type: UnsignedType, out: PrintWriter) : BuiltIns
          * A constant holding the maximum value an instance of $className can have.
          */
         public const val MAX_VALUE: $className = $className(-1)
+
+        /**
+         * The number of bytes used to represent an instance of $className in a binary form.
+         */
+        public const val SIZE_BYTES: Int = ${type.byteSize}
+
+        /**
+         * The number of bits used to represent an instance of $className in a binary form.
+         */
+        public const val SIZE_BITS: Int = ${type.byteSize * 8}
     }""")
 
         generateCompareTo()

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
     }
 
     /**

libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-runtime.txt

@@ -380,6 +380,8 @@ public final class kotlin/jvm/internal/ByteCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/ByteCompanionObject;
 	public static final field MAX_VALUE B
 	public static final field MIN_VALUE B
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/ByteSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -421,6 +423,8 @@ public final class kotlin/jvm/internal/CharCompanionObject {
 	public static final field MIN_HIGH_SURROGATE C
 	public static final field MIN_LOW_SURROGATE C
 	public static final field MIN_SURROGATE C
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/CharSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -572,6 +576,8 @@ public final class kotlin/jvm/internal/IntCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/IntCompanionObject;
 	public static final field MAX_VALUE I
 	public static final field MIN_VALUE I
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/IntSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -638,6 +644,8 @@ public final class kotlin/jvm/internal/LongCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/LongCompanionObject;
 	public static final field MAX_VALUE J
 	public static final field MIN_VALUE J
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/LongSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -921,6 +929,8 @@ public final class kotlin/jvm/internal/ShortCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/ShortCompanionObject;
 	public static final field MAX_VALUE S
 	public static final field MIN_VALUE S
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/ShortSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {

libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-stdlib-runtime-merged.txt

@@ -216,6 +216,8 @@ public final class kotlin/UByte : java/lang/Comparable {
 	public static final field Companion Lkotlin/UByte$Companion;
 	public static final field MAX_VALUE B
 	public static final field MIN_VALUE B
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 	public final fun and (B)B
 	public fun compareTo (B)I
 	public final fun compareTo (I)I
@@ -358,6 +360,8 @@ public final class kotlin/UInt : java/lang/Comparable {
 	public static final field Companion Lkotlin/UInt$Companion;
 	public static final field MAX_VALUE I
 	public static final field MIN_VALUE I
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 	public final fun and (I)I
 	public final fun compareTo (B)I
 	public fun compareTo (I)I
@@ -504,6 +508,8 @@ public final class kotlin/ULong : java/lang/Comparable {
 	public static final field Companion Lkotlin/ULong$Companion;
 	public static final field MAX_VALUE J
 	public static final field MIN_VALUE J
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 	public final fun and (J)J
 	public final fun compareTo (B)I
 	public final fun compareTo (I)I
@@ -650,6 +656,8 @@ public final class kotlin/UShort : java/lang/Comparable {
 	public static final field Companion Lkotlin/UShort$Companion;
 	public static final field MAX_VALUE S
 	public static final field MIN_VALUE S
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 	public final fun and (S)S
 	public final fun compareTo (B)I
 	public final fun compareTo (I)I
@@ -3194,6 +3202,8 @@ public final class kotlin/jvm/internal/ByteCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/ByteCompanionObject;
 	public static final field MAX_VALUE B
 	public static final field MIN_VALUE B
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/ByteSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -3235,6 +3245,8 @@ public final class kotlin/jvm/internal/CharCompanionObject {
 	public static final field MIN_HIGH_SURROGATE C
 	public static final field MIN_LOW_SURROGATE C
 	public static final field MIN_SURROGATE C
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/CharSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -3386,6 +3398,8 @@ public final class kotlin/jvm/internal/IntCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/IntCompanionObject;
 	public static final field MAX_VALUE I
 	public static final field MIN_VALUE I
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/IntSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -3452,6 +3466,8 @@ public final class kotlin/jvm/internal/LongCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/LongCompanionObject;
 	public static final field MAX_VALUE J
 	public static final field MIN_VALUE J
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/LongSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {
@@ -3735,6 +3751,8 @@ public final class kotlin/jvm/internal/ShortCompanionObject {
 	public static final field INSTANCE Lkotlin/jvm/internal/ShortCompanionObject;
 	public static final field MAX_VALUE S
 	public static final field MIN_VALUE S
+	public static final field SIZE_BITS I
+	public static final field SIZE_BYTES I
 }
 
 public final class kotlin/jvm/internal/ShortSpreadBuilder : kotlin/jvm/internal/PrimitiveSpreadBuilder {