Scala 3/scala/scala.collection/scala.collection.mutable/ArrayBuilder

ArrayBuilder

scala.collection.mutable.ArrayBuilder

See theArrayBuilder companion object

sealed abstract class ArrayBuilder[T] extends ReusableBuilder[T, Array[T]], Serializable

A builder class for arrays.

Type parameters

T: the type of the elements for the builder.

Attributes

Companion: object
Source: ArrayBuilder.scala
Graph
Supertypes: trait Serializable

trait ReusableBuilder[T, Array[T]]

trait Builder[T, Array[T]]

trait Growable[T]

trait Clearable

class Object

trait Matchable

class Any
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Known subtypes: class ofBoolean

class ofByte

class ofChar

class ofDouble

class ofFloat

class ofInt

class ofLong

class ofRef[T]

class ofShort

class ofUnit
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Members list

Value members

Concrete methods

Add all elements of an array

Attributes

Source: ArrayBuilder.scala

Add a slice of an array

Attributes

Source: ArrayBuilder.scala

Adds all elements produced by an IterableOnce to this growable collection.

Value parameters

xs: the IterableOnce producing the elements to add.

Attributes

Returns: the growable collection itself.
Definition Classes: Growable
Source: ArrayBuilder.scala

Clears the contents of this builder.

Clears the contents of this builder. After execution of this method, the builder will contain no elements.

If executed immediately after a call to result(), this allows a new instance of the same type of collection to be built.

Attributes

Source: ArrayBuilder.scala

Attributes

Returns: The number of elements in the collection under construction, if it can be cheaply computed, -1 otherwise. The default implementation always returns -1.
Definition Classes: Growable
Source: ArrayBuilder.scala

Attributes

Source: ArrayBuilder.scala

Gives a hint how many elements are expected to be added when the next result is called.

Gives a hint how many elements are expected to be added when the next result is called. Some builder classes will optimize their representation based on the hint. However, builder implementations are still required to work correctly even if the hint is wrong, i.e. a different number of elements is added.

Value parameters

size: the hint how many elements will be added.

Attributes

Definition Classes: Builder
Source: ArrayBuilder.scala

Inherited methods

Alias for addAll

Attributes

Inherited from:: Growable
Source: Growable.scala

Alias for addOne

Attributes

Inherited from:: Growable
Source: Growable.scala

Adds a single element to this growable collection.

Value parameters

elem: the element to add.

Attributes

Returns: the growable collection itself
Inherited from:: Growable
Source: Growable.scala

A builder resulting from this builder my mapping the result using f.

Attributes

Inherited from:: Builder
Source: Builder.scala

Produces a collection from the added elements.

After a call to result, the behavior of all other methods is undefined save for clear(). If clear() is called, then the builder is reset and may be used to build another instance.

Attributes

Returns: a collection containing the elements added to this builder.
Definition Classes: ReusableBuilder -> Builder
Inherited from:: ReusableBuilder
Source: ReusableBuilder.scala

Gives a hint that one expects the result of this builder to have the same size as the given collection, plus some delta.

Gives a hint that one expects the result of this builder to have the same size as the given collection, plus some delta. This will provide a hint only if the collection has a known size Some builder classes will optimize their representation based on the hint. However, builder implementations are still required to work correctly even if the hint is wrong, i.e. a different number of elements is added.

Value parameters

coll: the collection which serves as a hint for the result's size.
delta: a correction to add to the coll.size to produce the size hint.

Attributes

Inherited from:: Builder
Source: Builder.scala

Gives a hint how many elements are expected to be added when the next result is called, together with an upper bound given by the size of some other collection.

Gives a hint how many elements are expected to be added when the next result is called, together with an upper bound given by the size of some other collection. Some builder classes will optimize their representation based on the hint. However, builder implementations are still required to work correctly even if the hint is wrong, i.e. a different number of elements is added.

Value parameters

boundingColl: the bounding collection. If it is an IndexedSeqLike, then sizes larger than collection's size are reduced.
size: the hint how many elements will be added.

Attributes

Inherited from:: Builder
Source: Builder.scala

Deprecated and Inherited methods

Adds two or more elements to this growable collection.

Value parameters

elem1: the first element to add.
elem2: the second element to add.
elems: the remaining elements to add.

Attributes

Returns: the growable collection itself
Deprecated: true
Inherited from:: Growable
Source: Growable.scala

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