Collections


SuperCollider has a rich hierarchy of Collection subclasses. Collection's class subtree is detailed below. Subclasses of a given class are indented and enclosed in (possibly nested) square brackets. Most of these subclasses have their own helpfiles. Classes labelled abstract are not for direct use, but classes lower down the tree may inherit methods from them. For this reason it is important to consult the helpfiles of classes farther up the tree in order to get a complete list of available methods.



Collection abstract superclass of all Collection subclasses

many methods are inherited from this class

[

  Array2D a two dimensional array

  

  Range ranges of values

  

  Interval ranges of Integers with a fixed Interval between them

  

  MultiLevelIdentityDictionary a tree of IdentityDictionaries

  

    [ Library ] a unique global MultiLevelIdentityDictionary

    

  Set an unordered collection of unequal objects

  [

    Dictionary an unordered associative collection mapping 

    keys to values

    [

      IdentityDictionary a Dictionary wherein keys match only if identical

      (rather than if simply equal)

      [

        Environment an IdentityDictionary, one of which is always current;

        useful for creating sets of persistent variables

        

          [ Event ] a Dictionary mapping names of musical parameters

          to their values

          

        NameDictionary an IdentityDictionary for adding named objects 

        (objects with a .name method) such that 

        name -> namedObject

      ]

    ]

    IdentitySet an unordered collection of unidentical objects

    (compare to Set)

  ]

  Bag an unordered collection of objects

  

  Pair Lisp-like two element cells

  

  TwoWayIdentityDictionary an IdentityDictionary which allows easy searching by 

  both key and value; faster than IdentityDictionary on

  reverse lookup, but with more memory overhead

  

    [ ObjectTable ] associates Integer ids with objects

    

  SequenceableCollection abstract superclass of collections whose objects can be 

  indexed by integer

  [

    Order SequenceableCollection with an indices instance 

    variable

    

    LinkedList a doubly linked list

    

    List an expandable SequenceableCollection

    (compare to ArrayedCollection and Array)

    

      [ SortedList ] a List whose items are kept in a sorted order

      

    ArrayedCollection abstract superclass of Collections of fixed maximum size

    whose elements are held in a vector of slots

    [

      RawArray abstract superclass of array classes that hold 

      raw data values

      [

        DoubleArray a RawArray of double precision floats

        

        FloatArray a RawArray of floats

          [ 

            Wavetable a special format FloatArray

            

            Signal a FloatArray that represents a sampled function of 

            time buffer

          ]

        String an array of characters

        

        SymbolArray a RawArray of symbols

        

        Int32Array a RawArray of 32 bit Integers

        

        Int16Array a RawArray of 16 bit Integers

        

        Int8Array a RawArray of 8 bit Integers

      ]

      Array an ArrayedCollection whose slots may contain any 

      object; more efficient than List

    ]

  ]

]

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