Re: [Boost-users] Variant bool bug

On Fri, May 21, 2010 at 15:09, Robin wrote:

Hi

When I add a bool into the variant, the get int version fails (VC2008 SP1, boost 1.42.0, sorry earlier was mentioning wrong version 1.37.0)

typedef boost::variant VariantType;

VariantType variant; variant = "hello world"; string stringTest = boost::get <string> (variant); cout << stringTest.c_str () << endl;

variant = 5; int intTest = boost::get <int> (variant); // Fails cout << intTest << endl;

When bool is added to variant, the statement variant = "hello world" ; calls bool constructor. The one which is actually crashing is not int .. it is string which is crashing. because the "hello world" is not a *string* type strictly speaking. it is *const char**. This is converted to bool and calls bool constructor. Surya