Docs and samples for 'windowed' function

This commit is contained in:
Ilya Gorbunov
2017-05-18 08:33:13 +03:00
parent b2f2e3537b
commit 99bd54116e
11 changed files with 443 additions and 15 deletions
@@ -917,7 +917,7 @@ public expect fun <T> Iterable<T>.chunked(size: Int): List<List<T>>
* @return list of results of the [transform] applied to an each list.
*
* Note that the list passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it escape someway, unless you made a snapshot of it.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* The last list may have less elements than the given [size].
*
* @param size the number of elements to take in each list, must be positive and can be greater than the number of elements in this collection.
@@ -1033,9 +1033,37 @@ public expect inline fun <T> Iterable<T>.plusElement(element: T): List<T>
@kotlin.internal.InlineOnly
public expect inline fun <T> Collection<T>.plusElement(element: T): List<T>
/**
* Returns a list of snapshots of the window of the given [size]
* sliding along this collection with the given [step], where each
* snapshot is a list.
*
* Several last lists may have less elements than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this collection.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.takeWindows
*/
@SinceKotlin("1.2")
public expect fun <T> Iterable<T>.windowed(size: Int, step: Int): List<List<T>>
/**
* Returns a list of results of applying the given [transform] function to
* an each list representing a view over the window of the given [size]
* sliding along this collection with the given [step].
*
* Note that the list passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* Several last lists may have less elements than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this collection.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.averageWindows
*/
@SinceKotlin("1.2")
public expect fun <T, R> Iterable<T>.windowed(size: Int, step: Int, transform: (List<T>) -> R): List<R>
@@ -824,7 +824,7 @@ public expect fun <T> Sequence<T>.chunked(size: Int): Sequence<List<T>>
* @return sequence of results of the [transform] applied to an each list.
*
* Note that the list passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it escape someway, unless you made a snapshot of it.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* The last list may have less elements than the given [size].
*
* @param size the number of elements to take in each list, must be positive and can be greater than the number of elements in this sequence.
@@ -960,9 +960,37 @@ public expect operator fun <T> Sequence<T>.plus(elements: Sequence<T>): Sequence
@kotlin.internal.InlineOnly
public expect inline fun <T> Sequence<T>.plusElement(element: T): Sequence<T>
/**
* Returns a sequence of snapshots of the window of the given [size]
* sliding along this sequence with the given [step], where each
* snapshot is a list.
*
* Several last lists may have less elements than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this sequence.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.takeWindows
*/
@SinceKotlin("1.2")
public expect fun <T> Sequence<T>.windowed(size: Int, step: Int): Sequence<List<T>>
/**
* Returns a sequence of results of applying the given [transform] function to
* an each list representing a view over the window of the given [size]
* sliding along this sequence with the given [step].
*
* Note that the list passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* Several last lists may have less elements than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this sequence.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.averageWindows
*/
@SinceKotlin("1.2")
public expect fun <T, R> Sequence<T>.windowed(size: Int, step: Int, transform: (List<T>) -> R): Sequence<R>
@@ -657,7 +657,7 @@ public expect fun CharSequence.chunked(size: Int): List<String>
* @return list of results of the [transform] applied to an each char sequence.
*
* Note that the char sequence passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it escape someway, unless you made a snapshot of it.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* The last char sequence may have less characters than the given [size].
*
* @param size the number of elements to take in each char sequence, must be positive and can be greater than the number of elements in this char sequence.
@@ -686,7 +686,7 @@ public expect fun CharSequence.chunkedSequence(size: Int): Sequence<String>
* @return sequence of results of the [transform] applied to an each char sequence.
*
* Note that the char sequence passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it to escape someway, unless you made a snapshot of it.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* The last char sequence may have less characters than the given [size].
*
* @param size the number of elements to take in each char sequence, must be positive and can be greater than the number of elements in this char sequence.
@@ -731,15 +731,71 @@ public expect inline fun CharSequence.partition(predicate: (Char) -> Boolean): P
*/
public expect inline fun String.partition(predicate: (Char) -> Boolean): Pair<String, String>
/**
* Returns a list of snapshots of the window of the given [size]
* sliding along this char sequence with the given [step], where each
* snapshot is a string.
*
* Several last strings may have less characters than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this char sequence.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.takeWindows
*/
@SinceKotlin("1.2")
public expect fun CharSequence.windowed(size: Int, step: Int): List<String>
/**
* Returns a list of results of applying the given [transform] function to
* an each char sequence representing a view over the window of the given [size]
* sliding along this char sequence with the given [step].
*
* Note that the char sequence passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* Several last char sequences may have less characters than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this char sequence.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.averageWindows
*/
@SinceKotlin("1.2")
public expect fun <R> CharSequence.windowed(size: Int, step: Int, transform: (CharSequence) -> R): List<R>
/**
* Returns a sequence of snapshots of the window of the given [size]
* sliding along this char sequence with the given [step], where each
* snapshot is a string.
*
* Several last strings may have less characters than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this char sequence.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.takeWindows
*/
@SinceKotlin("1.2")
public expect fun CharSequence.windowedSequence(size: Int, step: Int): Sequence<String>
/**
* Returns a sequence of results of applying the given [transform] function to
* an each char sequence representing a view over the window of the given [size]
* sliding along this char sequence with the given [step].
*
* Note that the char sequence passed to the [transform] function is ephemeral and is valid only inside that function.
* You should not store it or allow it to escape in some way, unless you made a snapshot of it.
* Several last char sequences may have less characters than the given [size].
*
* Both [size] and [step] must be positive and can be greater than the number of elements in this char sequence.
* @param size the number of elements to take in each window
* @param step the number of elements to move the window forward by on an each step
*
* @sample samples.collections.Sequences.Transformations.averageWindows
*/
@SinceKotlin("1.2")
public expect fun <R> CharSequence.windowedSequence(size: Int, step: Int, transform: (CharSequence) -> R): Sequence<R>