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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala
package collection
package mutable
import script._
/** This is a simple proxy class for <a href="Buffer.html"
* target="contentFrame">`scala.collection.mutable.Buffer`</a>.
* It is most useful for assembling customized set abstractions
* dynamically using object composition and forwarding.
*
* @author Matthias Zenger
* @version 1.0, 16/04/2004
* @since 1
*
* @tparam A type of the elements the buffer proxy contains.
*
* @define Coll `BufferProxy`
* @define coll buffer proxy
*/
@deprecated("Proxying is deprecated due to lack of use and compiler-level support.", "2.11.0")
trait BufferProxy[A] extends Buffer[A] with Proxy {
def self: Buffer[A]
def length: Int = self.length
override def iterator: Iterator[A] = self.iterator
def apply(n: Int): A = self.apply(n)
/** Append a single element to this buffer.
*
* @param elem the element to append.
*/
def +=(elem: A): this.type = { self.+=(elem); this }
override def readOnly = self.readOnly
/** Appends a number of elements provided by a traversable object.
*
* @param xs the traversable object.
* @return a reference to this $coll.
*/
override def ++=(xs: TraversableOnce[A]): this.type = { self.++=(xs); this }
/** Appends a sequence of elements to this buffer.
*
* @param elems the elements to append.
*/
override def append(elems: A*) { self.++=(elems) }
/** Appends a number of elements provided by a traversable object.
*
* @param xs the traversable object.
*/
override def appendAll(xs: TraversableOnce[A]) { self.appendAll(xs) }
/** Prepend a single element to this buffer and return
* the identity of the buffer.
*
* @param elem the element to append.
* @return a reference to this $coll.
*/
def +=:(elem: A): this.type = { self.+=:(elem); this }
override def ++=:(xs: TraversableOnce[A]): this.type = { self.++=:(xs); this }
/** Prepend an element to this list.
*
* @param elems the elements to prepend.
*/
override def prepend(elems: A*) { self.prependAll(elems) }
/** Prepends a number of elements provided by a traversable object.
* The identity of the buffer is returned.
*
* @param xs the traversable object.
*/
override def prependAll(xs: TraversableOnce[A]) { self.prependAll(xs) }
/** 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`.
*
* @param n the index where a new element will be inserted.
* @param elems the new elements to insert.
*/
override def insert(n: Int, elems: A*) { self.insertAll(n, elems) }
/** 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`.
*
* @param n the index where a new element will be inserted.
* @param iter the iterable object providing all elements to insert.
*/
def insertAll(n: Int, iter: scala.collection.Iterable[A]) {
self.insertAll(n, iter)
}
override def insertAll(n: Int, iter: scala.collection.Traversable[A]) {
self.insertAll(n, iter)
}
/** Replace element at index `n` with the new element `newelem`.
*
* @param n the index of the element to replace.
* @param newelem the new element.
*/
def update(n: Int, newelem: A) { self.update(n, newelem) }
/** Removes the element on a given index position.
*
* @param n the index which refers to the element to delete.
*/
def remove(n: Int): A = self.remove(n)
/** Clears the buffer contents.
*/
def clear() { self.clear() }
/** Send a message to this scriptable object.
*
* @param cmd the message to send.
*/
@deprecated("Scripting is deprecated.", "2.11.0")
override def <<(cmd: Message[A]) { self << cmd }
/** Return a clone of this buffer.
*
* @return a `Buffer` with the same elements.
*/
override def clone(): Buffer[A] = new BufferProxy[A] {
def self = BufferProxy.this.self.clone()
}
}
|
