Wiki copymirror

This is a mirror of the wiki at pascal.chat. Editing, history and sign-in are there.

New

Deutsch ยท English

Back to Reserved words.

The reserved word new:

Example 1:

pascal
  var
   intI : ^ Integer ;

 begin
   ...
   if assigned ( intI ) then ... // Checks whether an address has been assigned to intI
   ...
   new ( intI ) ;  // Assigns a valid address to intI
   ...
   dispose ( intI ) ;  // Releases the address
   ...

Example 2:

pascal
  grade
   PListItem = ^ TListItem ;
   TListItem = record
     data : string ;
     next : PListItem ;  // reference to the next element
   end ;

 var
   List : PListItem ;

 begin
   ...
   New ( list ^. Next ) ;  // Adds a new item to the list
   List ^.  next ^.  data : = '' ;  // empties the element
   List ^.  next ^.  next : = nil ;  // sets the following pointer to nothing for security
   ...
   dispose ( list ) ;  // Releases the list
   ...

From the Free Pascal wiki, page "New", as it stood on 2020-02-21 after a change by Trev, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.

Revision 1, last changed by WikiArchive .