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Docs and samples for 'pairwise' function

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Ilya Gorbunov
2017-05-08 20:59:49 +03:00
parent b94fd36d75
commit e418f61f0c
11 changed files with 185 additions and 1 deletions
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libraries/stdlib/common/src/generated/_Collections.kt
+15
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@@ -930,9 +930,24 @@ public expect operator fun <T> Iterable<T>.minus(elements: Sequence<T>): List<T>
@kotlin.internal.InlineOnly
public expect inline fun <T> Iterable<T>.minusElement(element: T): List<T>
/**
* Returns a list of pairs of each two adjacent elements in this collection.
*
* The returned list is empty if this collection contains less than two elements.
*
* @sample samples.collections.Collections.Transformations.pairwise
*/
@SinceKotlin("1.2")
public expect fun <T> Iterable<T>.pairwise(): List<Pair<T, T>>
/**
* Returns a list containing the results of applying the given [transform] function
* to an each pair of two adjacent elements in this collection.
*
* The returned list is empty if this collection contains less than two elements.
*
* @sample samples.collections.Collections.Transformations.pairwiseToFindDeltas
*/
@SinceKotlin("1.2")
public expect inline fun <T, R> Iterable<T>.pairwise(transform: (a: T, b: T) -> R): List<R>