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

10 Sep 2002

      "Douglas Gregor"  schrieb im Newsbeitrag news:200209101109.28788.gregod@cs.rpi.edu...
...
On Tuesday 10 September 2002 10:56 am, Bertolt Mildner wrote:
[...]
...
struct dummy {
    template<typename T> void nonnull() {};
  };
typedef void (dummy::*safe_bool)();
operator safe_bool () const 
    { return (this->empty())? 0 : &dummy::nonnull<int>; }
safe_bool operator!() const 
    { return (!this->empty())? 0 : &dummy::nonnull<int>; }
If it works, I'll put the workaround into CVS.
Now I get:

Error   : ambiguous access to overloaded function 
(included from:
 function.hpp:22
 KeyStorage.h:12
 HostMemoryKeyStorage.h:9
 DesKey.h:10
 MWPrefixWin32.pch++:14)
function_base.hpp line 298         { return (!this->empty())? 0 : &dummy::nonnull<int>; }

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