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KT-20357: Add sample for Collections distinct and distinctBy methods

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Tillmann Berg
2019-11-26 14:44:43 +01:00
committed by ilya-g
parent f0e67f8397
commit cf86dc9a89
5 changed files with 54 additions and 0 deletions
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libraries/stdlib/common/src/generated/_Arrays.kt
+36
View File
@@ -9640,6 +9640,8 @@ public fun CharArray.withIndex(): Iterable<IndexedValue<Char>> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun <T> Array<out T>.distinct(): List<T> {
return this.toMutableSet().toList()
@@ -9649,6 +9651,8 @@ public fun <T> Array<out T>.distinct(): List<T> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun ByteArray.distinct(): List<Byte> {
return this.toMutableSet().toList()
@@ -9658,6 +9662,8 @@ public fun ByteArray.distinct(): List<Byte> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun ShortArray.distinct(): List<Short> {
return this.toMutableSet().toList()
@@ -9667,6 +9673,8 @@ public fun ShortArray.distinct(): List<Short> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun IntArray.distinct(): List<Int> {
return this.toMutableSet().toList()
@@ -9676,6 +9684,8 @@ public fun IntArray.distinct(): List<Int> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun LongArray.distinct(): List<Long> {
return this.toMutableSet().toList()
@@ -9685,6 +9695,8 @@ public fun LongArray.distinct(): List<Long> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun FloatArray.distinct(): List<Float> {
return this.toMutableSet().toList()
@@ -9694,6 +9706,8 @@ public fun FloatArray.distinct(): List<Float> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun DoubleArray.distinct(): List<Double> {
return this.toMutableSet().toList()
@@ -9703,6 +9717,8 @@ public fun DoubleArray.distinct(): List<Double> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun BooleanArray.distinct(): List<Boolean> {
return this.toMutableSet().toList()
@@ -9712,6 +9728,8 @@ public fun BooleanArray.distinct(): List<Boolean> {
* Returns a list containing only distinct elements from the given array.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun CharArray.distinct(): List<Char> {
return this.toMutableSet().toList()
@@ -9722,6 +9740,8 @@ public fun CharArray.distinct(): List<Char> {
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <T, K> Array<out T>.distinctBy(selector: (T) -> K): List<T> {
val set = HashSet<K>()
@@ -9739,6 +9759,8 @@ public inline fun <T, K> Array<out T>.distinctBy(selector: (T) -> K): List<T> {
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> ByteArray.distinctBy(selector: (Byte) -> K): List<Byte> {
val set = HashSet<K>()
@@ -9756,6 +9778,8 @@ public inline fun <K> ByteArray.distinctBy(selector: (Byte) -> K): List<Byte> {
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> ShortArray.distinctBy(selector: (Short) -> K): List<Short> {
val set = HashSet<K>()
@@ -9773,6 +9797,8 @@ public inline fun <K> ShortArray.distinctBy(selector: (Short) -> K): List<Short>
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> IntArray.distinctBy(selector: (Int) -> K): List<Int> {
val set = HashSet<K>()
@@ -9790,6 +9816,8 @@ public inline fun <K> IntArray.distinctBy(selector: (Int) -> K): List<Int> {
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> LongArray.distinctBy(selector: (Long) -> K): List<Long> {
val set = HashSet<K>()
@@ -9807,6 +9835,8 @@ public inline fun <K> LongArray.distinctBy(selector: (Long) -> K): List<Long> {
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> FloatArray.distinctBy(selector: (Float) -> K): List<Float> {
val set = HashSet<K>()
@@ -9824,6 +9854,8 @@ public inline fun <K> FloatArray.distinctBy(selector: (Float) -> K): List<Float>
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> DoubleArray.distinctBy(selector: (Double) -> K): List<Double> {
val set = HashSet<K>()
@@ -9841,6 +9873,8 @@ public inline fun <K> DoubleArray.distinctBy(selector: (Double) -> K): List<Doub
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> BooleanArray.distinctBy(selector: (Boolean) -> K): List<Boolean> {
val set = HashSet<K>()
@@ -9858,6 +9892,8 @@ public inline fun <K> BooleanArray.distinctBy(selector: (Boolean) -> K): List<Bo
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source array.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <K> CharArray.distinctBy(selector: (Char) -> K): List<Char> {
val set = HashSet<K>()
libraries/stdlib/common/src/generated/_Collections.kt
+4
View File
@@ -1422,6 +1422,8 @@ public fun <T> Iterable<T>.withIndex(): Iterable<IndexedValue<T>> {
* Returns a list containing only distinct elements from the given collection.
*
* The elements in the resulting list are in the same order as they were in the source collection.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun <T> Iterable<T>.distinct(): List<T> {
return this.toMutableSet().toList()
@@ -1432,6 +1434,8 @@ public fun <T> Iterable<T>.distinct(): List<T> {
* having distinct keys returned by the given [selector] function.
*
* The elements in the resulting list are in the same order as they were in the source collection.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public inline fun <T, K> Iterable<T>.distinctBy(selector: (T) -> K): List<T> {
val set = HashSet<K>()
libraries/stdlib/common/src/generated/_Sequences.kt
+4
View File
@@ -978,6 +978,8 @@ public fun <T> Sequence<T>.withIndex(): Sequence<IndexedValue<T>> {
* The elements in the resulting sequence are in the same order as they were in the source sequence.
*
* The operation is _intermediate_ and _stateful_.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun <T> Sequence<T>.distinct(): Sequence<T> {
return this.distinctBy { it }
@@ -990,6 +992,8 @@ public fun <T> Sequence<T>.distinct(): Sequence<T> {
* The elements in the resulting sequence are in the same order as they were in the source sequence.
*
* The operation is _intermediate_ and _stateful_.
*
* @sample samples.collections.Collections.Transformations.distinctAndDistinctBy
*/
public fun <T, K> Sequence<T>.distinctBy(selector: (T) -> K): Sequence<T> {
return DistinctSequence(this, selector)