Objective-C Pocket Reference: A Guide to Language Fundamentals by Andrew M. Duncan

Author:Andrew M. Duncan [Duncan, Andrew M.]
Language: eng
Format: azw3
Tags: COMPUTERS / Operating Systems / Macintosh
ISBN: 9780596103934
Publisher: O'Reilly Media
Published: 2002-12-19T05:00:00+00:00

-( id )deepen

Returns self. Override to replace all fields that are pointers with new values. Otherwise, -deepCopy and -copy won’t function correctly.

-( id )deepCopy

Calls -copy and returns the result.

-( id )free

Releases the memory occupied by the receiver. Also zeroes the isa pointer of the object. If the object is sent a message at this stage, an immediate runtime error will occur. (Once the memory has been reused, anything can happen.) Override to release other resources held by the receiver.

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