Subject: [boost] Bug in intrusive_ptr,scoped_ptr,scoped_array
From: Hansi (hansipet_at_[hidden])
Date: 2009-02-28 10:41:37
at least with VS2005 there is a bug in the three smart pointers...
If you want to check if the pointer is empty (with unspecified bool)
then you get also with NULL a true back.
For this the following fix should work:
#if defined( _MANAGED )
static void unspecified_bool( this_type*** )
typedef void (*unspecified_bool_type)( this_type*** );
operator unspecified_bool_type() const // never throws
return px == 0? 0: unspecified_bool;
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