Scala Library Documentation
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scala/collection/mutable/Buffer.scala
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trait
Buffer[A]
extends
Seq[A] with
Scriptable[Message[(Location, A)]] with
CloneableCollectionMethod Summary | |
def
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+
(elem : A) : Buffer[A]
Append a single element to this buffer and return
the identity of the buffer.
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override def
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++
[B >: A](that : Iterable[B]) : Seq[B]
Appends two iterable objects.
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def
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++
(iter : Iterable[A]) : Buffer[A]
Appends a number of elements provided by an iterable object
via its
elements method. The identity of the
buffer is returned. |
def
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++
(iter : Iterator[A]) : Buffer[A]
Appends a number of elements provided by an iterator
via its
elements method. The identity of the
buffer is returned. |
def
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++:
(iter : Iterable[A]) : Buffer[A]
Prepends a number of elements provided by an iterable object
via its
elements method. The identity of the
buffer is returned. |
def
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++=
(iter : Iterator[A]) : Unit
Appends a number of elements provided by an iterator
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def
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++=
(iter : Iterable[A]) : Unit
Appends a number of elements provided by an iterable object
via its
elements method. |
def
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++=
(src : Array[A], start : Int, len : Int) : Unit
Appends a number of elements in an array
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abstract def
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+:
(elem : A) : Buffer[A]
Prepend a single element to this buffer and return
the identity of the buffer.
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abstract def
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+=
(elem : A) : Unit
Append a single element to this buffer.
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def
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-=
(x : A) : Unit
Removes a single element from this buffer, at its first occurrence.
If the list does not contain that element, it is unchanged
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def
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<<
(cmd : Message[(Location, A)]) : Unit
Send a message to this scriptable object.
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def
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append
(elems : A*) : Unit
Appends a sequence of elements to this buffer.
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def
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appendAll
(iter : Iterable[A]) : Unit
Appends a number of elements provided by an iterable object
via its
elements method. |
abstract def
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clear
: Unit
Clears the buffer contents.
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override def
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clone
: Buffer[A]
Return a clone of this buffer.
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override def
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hashCode
: Int
The hashCode method always yields an error, since it is not
safe to use buffers as keys in hash tables.
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def
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insert
(n : Int, elems : A*) : Unit
Inserts new elements at the index
n . Opposed to method
update , this method will not replace an element with a
one. Instead, it will insert the new elements at index n . |
abstract def
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insertAll
(n : Int, iter : Iterable[A]) : Unit
Inserts new elements at the index
n . Opposed to method
update , this method will not replace an element with a
one. Instead, it will insert a new element at index n . |
def
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prepend
(elems : A*) : Unit
Prepend an element to this list.
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def
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prependAll
(iter : Iterable[A]) : Unit
Prepends a number of elements provided by an iterable object
via its
elements method. The identity of the
buffer is returned. |
abstract def
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readOnly
: Seq[A]
return a read only alias of this buffer
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abstract def
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remove
(n : Int) : A
Removes the element on a given index position.
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protected override def
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stringPrefix
: java.lang.String
Defines the prefix of the string representation.
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def
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trimEnd
(n : Int) : Unit
Removes the last
n elements. |
def
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trimStart
(n : Int) : Unit
Removes the first
n elements. |
abstract def
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update
(n : Int, newelem : A) : Unit
Replace element at index
n with the new element
newelem . |
Methods inherited from Seq | |
length (abstract), lengthCompare, size, isEmpty, concat, last, lastOption, headOption, isDefinedAt, lastIndexOf, map, flatMap, filter, take, drop, slice, takeWhile, dropWhile, reverse, contains, subseq, toArray, projection, equalsWith, startsWith, endsWith, indexOf, containsSlice |
Methods inherited from Collection | |
toString |
Methods inherited from Iterable | |
elements (abstract), partition, foreach, forall, exists, find, findIndexOf, indexOf, foldLeft, foldRight, /:, :\, reduceLeft, reduceRight, copyToBuffer, sameElements, toList, toStream, mkString, mkString, mkString, addString, addString, copyToArray, hasDefiniteSize |
Methods inherited from PartialFunction | |
orElse, andThen |
Methods inherited from Function1 | |
apply (abstract), compose |
Methods inherited from AnyRef | |
getClass, equals, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized |
Methods inherited from Any | |
==, !=, isInstanceOf, asInstanceOf |
Method Details |
elem -
the element to append.elem -
the element to append.elem -
the element to append.iter -
the iterator.elements
method.iter -
the iterable object.src -
the arraystart -
the first element to appendlen -
the number of elements to appendelements
method. The identity of the
buffer is returned.iter -
the iterable object.elements
method. The identity of the
buffer is returned.iter -
the iteratorelements
method. The identity of the
buffer is returned.iter -
the iterable object.x -
the element to remove.elems -
the elements to append.elements
method.iter -
the iterable object.elem -
the element to prepend.elements
method. The identity of the
buffer is returned.iter -
the iterable object.n
. Opposed to method
update
, this method will not replace an element with a
one. Instead, it will insert the new elements at index n
.n -
the index where a new element will be inserted.elems -
the new elements to insert.n
. Opposed to method
update
, this method will not replace an element with a
one. Instead, it will insert a new element at index n
.n -
the index where a new element will be inserted.iter -
the iterable object providing all elements to insert.n
with the new element
newelem
.n -
the index of the element to replace.newelem -
the new element.n -
the index which refers to the element to delete.n
elements.n -
the number of elements to remove from the beginning of this buffer.n
elements.n -
the number of elements to remove from the end of this buffer.abstract
def
clear : Unit
cmd -
the message to send.override
def
hashCode : Int
protected override
def
stringPrefix : java.lang.String
Scala Library Documentation
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