Class: AutoResizingOrderedCollectionWithDefault

• Inheritance
• Description
• Instance protocol
  • accessing
  • initialization
• Examples

Inheritance:

   Object
   |
   +--Collection
      |
      +--SequenceableCollection
         |
         +--OrderedCollection
            |
            +--AutoResizingOrderedCollection
               |
               +--AutoResizingOrderedCollectionWithDefault

Package:

stx:libbasic2

Category:

Collections-Sequenceable

Version:

rev: 1.5 date: 2021/01/20 13:10:28

user: cg

file: AutoResizingOrderedCollectionWithDefault.st directory: libbasic2

module: stx stc-classLibrary: libbasic2

Description:

I am an ordered collection which automatically resizes if elements
are added beyond the size. 
I.e. if #at:put: is sent for indexes > the current size, the receiver grows to
the required index and missing fields are implicitly filled with a default value.
Queries for non-existing elements are anwered with the default value.

copyright
COPYRIGHT (c) 2016 by Claus Gittinger / eXept Software AG
             All Rights Reserved

This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice.   This software may not
be provided or otherwise made available to, or used by, any
other person.  No title to or ownership of the software is
hereby transferred.

Instance protocol:

 at: index

fetch an object at index.
If index is beyond the actual size, return the default value
(i.e. this is an alias for at:index ifAbsent:[default value])

 at: index put: anObject

store an object at index.
If required, grow the receiver to ensure that index is valid

 setDefaultValue: v

Examples:

|coll|

coll := AutoResizingOrderedCollectionWithDefault newWithDefaultValue:99.
coll at:4 put:'four'.
coll at:8 put:'eight'.
coll at:9