Properties Object C

@property (nonatomic, readwrite, retain) MyClass *someProp;

 
 

• Keywords

 
 

nonatomic or atomic

Only use nonatomic

Default is atomic, so change it

 
 

readonly or readwrite

Default is readwrite

 
 

assign, retain, copy

Assign is default. Use for integers, floats, constants.

Retain, well, retains it. Use for all objects (except delegates)

• Copy calls copy on the object. Use for strings.

 
 

• Don’t need if using readonly.

 

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