[問題] 這種寫法的意義?
常常看別人的Code會看到這種寫法出現
h檔:
NSString* _str;
property(nonatomic,copy) NSString* str;
m檔:
@synthesize _str = str;
[_str release];
我想問的為什麼要另外宣告str assign給 _str有什麼意義?
我直接寫成
property(nonatomic,copy) NSString* _str;
@synthesize _str;
好像也行,不懂為什麼會這樣寫
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