----- Original Message ---- From: Arkadiy Vertleyb <vertleyb@hotmail.com> To: boost-users@lists.boost.org Sent: Thursday, May 17, 2007 9:31:51 PM Subject: Re: [Boost-users] fatal error C1001 with visual studio 8, boost 1.34, BOOST_AUTO() macro

"Trigve Siver" <trigves@yahoo.com> wrote

...

class A { public: pqxx::result test(int a) { return pqxx::result(); } }; int main(int argc, char* argv[]) { BOOST_AUTO(rs, a.test(1)); // OK }

One more experiment -- can you change the function signature to accept char* (or maybe some other string type to exactly match the signature of exec()), and use it passing "SELECT 1" to it?

No problem: --- class A { public: pqxx::result test(const std::string &rString, const std::string &rDesc = std::string()) // fatal error // pqxx::result test(const std::string &rString) // OK { return pqxx::result(); } pqxx::result test1(void) { return pqxx::result(); } }; int main(int argc, char* argv[]) { A a; BOOST_AUTO(rs, a.test("SELECT 1")); // fatal error (when used A::test(const std::string &rString, const std::string &rDesc = std::string())) ... } --- So when I use the first signature (pqxx::result test(const std::string &rString, const std::string &rDesc = std::string()) there is fatal error. Otherwise everything compile OK.

Also, can you call:

cout << typeid(T.exec("SELECT 1")).name() << endl;

and see if it's compiled and what gets output?

std::cout << typeid(T.exec("SELECT 1")).name() << std::endl; Output: class pqxx::result

Regards, Arkadiy

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