NSMutableString 定义和重新定义
我对正确启动 NSMutableString 感到不知所措，我已经尝试过：
NSMutableString *string = @"some text";
这与将字符串分配给 NSString 的方法相同，但没有运气。此外，我无法弄清楚如何重新定义 NSMutableString 包含的字符串。我想它看起来像这样：
string = @"new text";
任何关于这个基本主题的帮助和代码将不胜感激。谢谢
I am at a loss as hot to properly initiate a NSMutableString, I have tried:
NSMutableString *string = @"some text";
which is the same method one assigns a string to an NSString but have hade no luck. Additionally I have not been able to figure out how to redefine the string contained with the NSMutableString. I would imagine it would look something like:
string = @"new text";
Any help and code on this basic subject would be greatly appreciated. Thanks
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您想要：
您的示例只是使
string指向常量字符串，这可能是个坏消息。要设置字符串，请使用：You want:
Your examples are just making
stringpoint to a constant string, which is bad news, probably. To set the string, use: