[sdlib] adoption of e632d58936

Nullable Array.contentEquals/contentHashCode/contentToString #KT-34161

runtime/src/main/kotlin/generated/_ArraysNative.kt

@@ -240,7 +240,25 @@ public actual fun CharArray.asList(): List<Char> {
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun <T> Array<out T>.contentDeepEquals(other: Array<out T>): Boolean {
+    return this.contentDeepEquals(other)
+}
+
+/**
+ * Returns `true` if the two specified arrays are *deeply* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The specified arrays are also considered deeply equal if both are `null`.
+ * 
+ * If two corresponding elements are nested arrays, they are also compared deeply.
+ * If any of arrays contains itself on any nesting level the behavior is undefined.
+ * 
+ * The elements of other types are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun <T> Array<out T>?.contentDeepEquals(other: Array<out T>?): Boolean {
     return contentDeepEqualsImpl(other)
 }
 
@@ -251,7 +269,19 @@ public actual infix fun <T> Array<out T>.contentDeepEquals(other: Array<out T>):
  * If any of arrays contains itself on any nesting level the behavior is undefined.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun <T> Array<out T>.contentDeepHashCode(): Int {
+    return this.contentDeepHashCode()
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ * Nested arrays are treated as lists too.
+ * 
+ * If any of arrays contains itself on any nesting level the behavior is undefined.
+ */
+@SinceKotlin("1.4")
+public actual fun <T> Array<out T>?.contentDeepHashCode(): Int {
     return contentDeepHashCodeImpl()
 }
 
@@ -265,7 +295,22 @@ public actual fun <T> Array<out T>.contentDeepHashCode(): Int {
  * @sample samples.collections.Arrays.ContentOperations.contentDeepToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun <T> Array<out T>.contentDeepToString(): String {
+    return this.contentDeepToString()
+}
+
+/**
+ * Returns a string representation of the contents of this array as if it is a [List].
+ * Nested arrays are treated as lists too.
+ * 
+ * If any of arrays contains itself on any nesting level that reference
+ * is rendered as `"[...]"` to prevent recursion.
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentDeepToString
+ */
+@SinceKotlin("1.4")
+public actual fun <T> Array<out T>?.contentDeepToString(): String {
     return contentDeepToStringImpl()
 }
 
@@ -277,13 +322,9 @@ public actual fun <T> Array<out T>.contentDeepToString(): String {
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun <T> Array<out T>.contentEquals(other: Array<out T>): Boolean {
-    if (this === other) return true
+    return this.contentEquals(other)
-    if (size != other.size) return false
-    for (i in indices) {
-        if (this[i] != other[i]) return false
-    }
-    return true
 }
 
 /**
@@ -294,13 +335,9 @@ public actual infix fun <T> Array<out T>.contentEquals(other: Array<out T>): Boo
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun ByteArray.contentEquals(other: ByteArray): Boolean {
-    if (this === other) return true
+    return this.contentEquals(other)
-    if (size != other.size) return false
-    for (i in indices) {
-        if (this[i] != other[i]) return false
-    }
-    return true
 }
 
 /**
@@ -311,13 +348,9 @@ public actual infix fun ByteArray.contentEquals(other: ByteArray): Boolean {
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun ShortArray.contentEquals(other: ShortArray): Boolean {
-    if (this === other) return true
+    return this.contentEquals(other)
-    if (size != other.size) return false
-    for (i in indices) {
-        if (this[i] != other[i]) return false
-    }
-    return true
 }
 
 /**
@@ -328,13 +361,9 @@ public actual infix fun ShortArray.contentEquals(other: ShortArray): Boolean {
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun IntArray.contentEquals(other: IntArray): Boolean {
-    if (this === other) return true
+    return this.contentEquals(other)
-    if (size != other.size) return false
-    for (i in indices) {
-        if (this[i] != other[i]) return false
-    }
-    return true
 }
 
 /**
@@ -345,13 +374,9 @@ public actual infix fun IntArray.contentEquals(other: IntArray): Boolean {
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun LongArray.contentEquals(other: LongArray): Boolean {
-    if (this === other) return true
+    return this.contentEquals(other)
-    if (size != other.size) return false
-    for (i in indices) {
-        if (this[i] != other[i]) return false
-    }
-    return true
 }
 
 /**
@@ -362,13 +387,9 @@ public actual infix fun LongArray.contentEquals(other: LongArray): Boolean {
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun FloatArray.contentEquals(other: FloatArray): Boolean {
-    if (this === other) return true
+    return this.contentEquals(other)
-    if (size != other.size) return false
-    for (i in indices) {
-        if (!this[i].equals(other[i])) return false
-    }
-    return true
 }
 
 /**
@@ -379,8 +400,138 @@ public actual infix fun FloatArray.contentEquals(other: FloatArray): Boolean {
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual infix fun DoubleArray.contentEquals(other: DoubleArray): Boolean {
+    return this.contentEquals(other)
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
+public actual infix fun BooleanArray.contentEquals(other: BooleanArray): Boolean {
+    return this.contentEquals(other)
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
+public actual infix fun CharArray.contentEquals(other: CharArray): Boolean {
+    return this.contentEquals(other)
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun <T> Array<out T>?.contentEquals(other: Array<out T>?): Boolean {
     if (this === other) return true
+    if (this === null || other === null) return false
+    if (size != other.size) return false
+    for (i in indices) {
+        if (this[i] != other[i]) return false
+    }
+    return true
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun ByteArray?.contentEquals(other: ByteArray?): Boolean {
+    if (this === other) return true
+    if (this === null || other === null) return false
+    if (size != other.size) return false
+    for (i in indices) {
+        if (this[i] != other[i]) return false
+    }
+    return true
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun ShortArray?.contentEquals(other: ShortArray?): Boolean {
+    if (this === other) return true
+    if (this === null || other === null) return false
+    if (size != other.size) return false
+    for (i in indices) {
+        if (this[i] != other[i]) return false
+    }
+    return true
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun IntArray?.contentEquals(other: IntArray?): Boolean {
+    if (this === other) return true
+    if (this === null || other === null) return false
+    if (size != other.size) return false
+    for (i in indices) {
+        if (this[i] != other[i]) return false
+    }
+    return true
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun LongArray?.contentEquals(other: LongArray?): Boolean {
+    if (this === other) return true
+    if (this === null || other === null) return false
+    if (size != other.size) return false
+    for (i in indices) {
+        if (this[i] != other[i]) return false
+    }
+    return true
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun FloatArray?.contentEquals(other: FloatArray?): Boolean {
+    if (this === other) return true
+    if (this === null || other === null) return false
     if (size != other.size) return false
     for (i in indices) {
         if (!this[i].equals(other[i])) return false
@@ -395,9 +546,28 @@ public actual infix fun DoubleArray.contentEquals(other: DoubleArray): Boolean {
  * The elements are compared for equality with the [equals][Any.equals] function.
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
-@SinceKotlin("1.1")
+@SinceKotlin("1.4")
-public actual infix fun BooleanArray.contentEquals(other: BooleanArray): Boolean {
+public actual infix fun DoubleArray?.contentEquals(other: DoubleArray?): Boolean {
     if (this === other) return true
+    if (this === null || other === null) return false
+    if (size != other.size) return false
+    for (i in indices) {
+        if (!this[i].equals(other[i])) return false
+    }
+    return true
+}
+
+/**
+ * Returns `true` if the two specified arrays are *structurally* equal to one another,
+ * i.e. contain the same number of the same elements in the same order.
+ * 
+ * The elements are compared for equality with the [equals][Any.equals] function.
+ * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
+ */
+@SinceKotlin("1.4")
+public actual infix fun BooleanArray?.contentEquals(other: BooleanArray?): Boolean {
+    if (this === other) return true
+    if (this === null || other === null) return false
     if (size != other.size) return false
     for (i in indices) {
         if (this[i] != other[i]) return false
@@ -412,9 +582,10 @@ public actual infix fun BooleanArray.contentEquals(other: BooleanArray): Boolean
  * The elements are compared for equality with the [equals][Any.equals] function.
  * For floating point numbers it means that `NaN` is equal to itself and `-0.0` is not equal to `0.0`.
  */
-@SinceKotlin("1.1")
+@SinceKotlin("1.4")
-public actual infix fun CharArray.contentEquals(other: CharArray): Boolean {
+public actual infix fun CharArray?.contentEquals(other: CharArray?): Boolean {
     if (this === other) return true
+    if (this === null || other === null) return false
     if (size != other.size) return false
     for (i in indices) {
         if (this[i] != other[i]) return false
@@ -426,84 +597,89 @@ public actual infix fun CharArray.contentEquals(other: CharArray): Boolean {
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun <T> Array<out T>.contentHashCode(): Int {
-    var result = 1
+    return this.contentHashCode()
-    for (element in this)
-        result = 31 * result + element.hashCode()
-    return result
 }
 
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun ByteArray.contentHashCode(): Int {
-    var result = 1
+    return this.contentHashCode()
-    for (element in this)
-        result = 31 * result + element.hashCode()
-    return result
 }
 
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun ShortArray.contentHashCode(): Int {
-    var result = 1
+    return this.contentHashCode()
-    for (element in this)
-        result = 31 * result + element.hashCode()
-    return result
 }
 
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun IntArray.contentHashCode(): Int {
-    var result = 1
+    return this.contentHashCode()
-    for (element in this)
-        result = 31 * result + element.hashCode()
-    return result
 }
 
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun LongArray.contentHashCode(): Int {
-    var result = 1
+    return this.contentHashCode()
-    for (element in this)
-        result = 31 * result + element.hashCode()
-    return result
 }
 
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun FloatArray.contentHashCode(): Int {
-    var result = 1
+    return this.contentHashCode()
-    for (element in this)
-        result = 31 * result + element.hashCode()
-    return result
 }
 
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun DoubleArray.contentHashCode(): Int {
-    var result = 1
+    return this.contentHashCode()
-    for (element in this)
-        result = 31 * result + element.hashCode()
-    return result
 }
 
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun BooleanArray.contentHashCode(): Int {
+    return this.contentHashCode()
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
+public actual fun CharArray.contentHashCode(): Int {
+    return this.contentHashCode()
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun <T> Array<out T>?.contentHashCode(): Int {
+    if (this === null) return 0
     var result = 1
     for (element in this)
         result = 31 * result + element.hashCode()
@@ -513,8 +689,93 @@ public actual fun BooleanArray.contentHashCode(): Int {
 /**
  * Returns a hash code based on the contents of this array as if it is [List].
  */
-@SinceKotlin("1.1")
+@SinceKotlin("1.4")
-public actual fun CharArray.contentHashCode(): Int {
+public actual fun ByteArray?.contentHashCode(): Int {
+    if (this === null) return 0
+    var result = 1
+    for (element in this)
+        result = 31 * result + element.hashCode()
+    return result
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun ShortArray?.contentHashCode(): Int {
+    if (this === null) return 0
+    var result = 1
+    for (element in this)
+        result = 31 * result + element.hashCode()
+    return result
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun IntArray?.contentHashCode(): Int {
+    if (this === null) return 0
+    var result = 1
+    for (element in this)
+        result = 31 * result + element.hashCode()
+    return result
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun LongArray?.contentHashCode(): Int {
+    if (this === null) return 0
+    var result = 1
+    for (element in this)
+        result = 31 * result + element.hashCode()
+    return result
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun FloatArray?.contentHashCode(): Int {
+    if (this === null) return 0
+    var result = 1
+    for (element in this)
+        result = 31 * result + element.hashCode()
+    return result
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun DoubleArray?.contentHashCode(): Int {
+    if (this === null) return 0
+    var result = 1
+    for (element in this)
+        result = 31 * result + element.hashCode()
+    return result
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun BooleanArray?.contentHashCode(): Int {
+    if (this === null) return 0
+    var result = 1
+    for (element in this)
+        result = 31 * result + element.hashCode()
+    return result
+}
+
+/**
+ * Returns a hash code based on the contents of this array as if it is [List].
+ */
+@SinceKotlin("1.4")
+public actual fun CharArray?.contentHashCode(): Int {
+    if (this === null) return 0
     var result = 1
     for (element in this)
         result = 31 * result + element.hashCode()
@@ -527,8 +788,9 @@ public actual fun CharArray.contentHashCode(): Int {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun <T> Array<out T>.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -537,8 +799,9 @@ public actual fun <T> Array<out T>.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun ByteArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -547,8 +810,9 @@ public actual fun ByteArray.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun ShortArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -557,8 +821,9 @@ public actual fun ShortArray.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun IntArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -567,8 +832,9 @@ public actual fun IntArray.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun LongArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -577,8 +843,9 @@ public actual fun LongArray.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun FloatArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -587,8 +854,9 @@ public actual fun FloatArray.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun DoubleArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -597,8 +865,9 @@ public actual fun DoubleArray.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun BooleanArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
 }
 
 /**
@@ -607,8 +876,99 @@ public actual fun BooleanArray.contentToString(): String {
  * @sample samples.collections.Arrays.ContentOperations.contentToString
  */
 @SinceKotlin("1.1")
+@kotlin.internal.LowPriorityInOverloadResolution
 public actual fun CharArray.contentToString(): String {
-    return joinToString(", ", "[", "]")
+    return this.contentToString()
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun <T> Array<out T>?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun ByteArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun ShortArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun IntArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun LongArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun FloatArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun DoubleArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun BooleanArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
+}
+
+/**
+ * Returns a string representation of the contents of the specified array as if it is [List].
+ * 
+ * @sample samples.collections.Arrays.ContentOperations.contentToString
+ */
+@SinceKotlin("1.4")
+public actual fun CharArray?.contentToString(): String {
+    return this?.joinToString(", ", "[", "]") ?: "null"
 }
 
 /**

runtime/src/main/kotlin/kotlin/collections/Arrays.kt

@@ -46,7 +46,8 @@ public inline fun <T> Array<out T>.subarrayContentToString(offset: Int, length:
  */
 @SinceKotlin("1.1")
 @UseExperimental(ExperimentalUnsignedTypes::class)
-internal fun <T> Array<out T>.contentDeepHashCodeImpl(): Int {
+internal fun <T> Array<out T>?.contentDeepHashCodeImpl(): Int {
+    if (this == null) return 0
     var result = 1
     for (element in this) {
         val elementHash = when (element) {