Re: warning: type `string' has a user-defined constructor
Re: warning: type `string' has a user-defined constructor
- Subject: Re: warning: type `string' has a user-defined constructor
- From: "Shawn Erickson" <email@hidden>
- Date: Wed, 12 Sep 2007 14:08:11 -0700
On 9/12/07, email@hidden <email@hidden> wrote:
> Hi
>
> I am using objective-c++ (or .mm files)
>
> In my header file I have defined a std::string variable.
>
> @interface MyStuff : NSObject
> {
> std::string myString;
> }
>
> When compiling I get the warning: type `string' has a user-defined
> constructor.
>
> Then in my init method I get a BAD_ACCESS_EXE exception thrown when
> assigning a value to myString
>
> - (MyStuff *) init {
> myString.assign("123");
> }
>
> I can kind of guess that myString constructor has not been called?
Review...
<http://developer.apple.com/documentation/Cocoa/Conceptual/ObjectiveC/Articles/chapter_4_section_10.html>
...and -fobjc-call-cxx-cdtors on the following page...
<http://developer.apple.com/documentation/DeveloperTools/gcc-4.0.1/gcc/Objective_002dC-and-Objective_002dC_002b_002b-Dialect-Options.html>
> What is the correct way of setting this up.
Personally I would switch to use a std::string* ivar and new/delete
the instance in the init / dealloc method.
-Shawn
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