Re: Re: boost.function with CW 8.2 on W2k

From: Bertolt Mildner (Bertolt.Mildner_at_[hidden])
Date: 2002-09-10 06:21:57

[...]
> Now I'm completely confused... does code like the following cause a warning? 
> (I don't have access to this compiler, unfortunately, but there aren't any 
> warnings in the Boost regression tests...)
> 
> template<typename T>
> struct foo
> {
>   void bar() { int deprecated; }
> };
> 
> int main()
> {
>   return sizeof(foo);
> }

At least with my compiler settings it will!

Warning : variable / argument 'deprecated' is not used in function
hello.cpp line 51     void bar() { int deprecated; }

Error   : illegal type
hello.cpp line 74     return sizeof(foo);

 
> You may also compile with BOOST_FUNCTION_NO_DEPRECATED defined, which will 
> completely remove all deprecated functionality.

Thanks, that helped a lot!

BTW: I also have the problem that I can't use Boost.Function together with precompiled headers because of the following error:

Error   : illegal use of precompiled header
(included from:
 function.hpp:22
 KeyStorage.h:12
 HostMemoryKeyStorage.h:9
 DesKey.h:11
 MWPrefixWin32.pch++:14)
function_base.hpp line 288         void nonnull() {};

I have tried to make nonnull() inline and/or static but that didn't help. I think the root of the problem is that the address of nonnull() is taken.
I wonder if it is really needed to return a real (member) function pointer or if it would be OK to just return (safe_bool)1 ?

Bertolt
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