Re: [boost] [SCOPE_EXIT] compiler errors for structure members

Subject: Re: [boost] [SCOPE_EXIT] compiler errors for structure members
From: Alexander Nasonov (alnsn_at_[hidden])
Date: 2009-04-20 11:31:48

Sid Sacek <ssacek <at> securewatch24.com> writes:
> 	struct ttt {
> 		int one;
> 	} test ;
> 
> 	test.one = 55;
> 	int *one_ref = &test.one;
> 	BOOST_SCOPE_EXIT( ( one_ref ) )
> 	{
> 		*one_ref = 666; // experimental code
> 	}
> 	BOOST_SCOPE_EXIT_END;
> 
> This solves my problem. What really surprised me however was that when I 
made 'one_ref' an int&, the
> original test.one variable never got modified. Some other ( I assume temp 
variable ) was modified. If
> you're wondering what this is about, I'm trying to create a new macro that 
uses your macro.
> 
> Regards,
> -Sid Sacek

Try passing one_ref by reference:

BOOST_SCOPE_EXIT( (&one_ref ) )
//                 ^ <=========== HERE

Alex