beautypg.com

Compatibility 26, New functions 26 – Apple Newton Programmer’s Newton 2.0 (for Newton 2.0) User Manual

Page 892

background image

C H A P T E R 2 6

Utility Functions

26-2

Compatibility

Compatibility

26

This section describes the changes to the utility functions for Newton System
Software 2.0.

New Functions

26

The following new functions have been added for this release.

New Object System Functions

26

The following new object system functions have been added.

GetFunctionArgCount

IsCharacter

IsFunction

IsInteger

IsNumber

IsReadOnly

(existed in 1.0 but now documented)

IsReal

IsString

IsSubclass

(existed in 1.0 but now documented)

IsSymbol

MakeBinary

SetVariable

SymbolCompareLex

Table 26-1

Summary of copying functions

Function name

Recurs

Follows
magic pointers

Ensures object
is internal

Copies
object

Clone

yes

DeepClone

yes

yes

yes

EnsureInternal

yes

yes

as needed

TotalClone

yes

yes

yes