
Data Structure

This illustrates a data structure, a means of storing data within a program.

You may see other such structures in the Data Structures category.


Task

Create a compound data type:

  Point(x,y) 



A compound data type is one that holds multiple independent values.



Related task

   Enumeration


See also

 Array
 Associative array: Creation, Iteration
 Collections
 Compound data type
 Doubly-linked list: Definition, Element definition, Element insertion, List Traversal, Element Removal
 Linked list
 Queue: Definition, Usage
 Set
 Singly-linked list: Element definition, Element insertion, List Traversal, Element Removal
 Stack


( ( Point
  =   (x=)
      (y=)
      (new=.!arg:(?(its.x).?(its.y)))
  )
& new$(Point,(3.4)):?pt
& out$(!(pt..x) !(pt..y))
  { Show independcy by changing x, but not y }
& 7:?(pt..x)
& out$(!(pt..x) !(pt..y))
);