2012/11/10 Vicente J. Botet Escriba <vicente.botet@wanadoo.fr>:
Le 10/11/12 01:48, Vicente J. Botet Escriba a écrit :
Le 10/11/12 00:43, Vicente J. Botet Escriba a écrit :
Le 09/11/12 19:58, Gennadiy Rozental a écrit :
Vicente J. Botet Escriba <vicente.botet <at> wanadoo.fr> writes:
there are yet new warnings.
I'll fix these tonight
One more error (can be reproduced on clang-3.0, works on GCC) during compilation of following code: template <class To, class From, class Func> To try_cast_by_ptr(const From& from, Func f) { return f(from); }; void test_getting_pointer_to_function() { // Just checking that &lexical_cast<To, From> is not ambiguous BOOST_CHECK_EQUAL(100, try_cast_by_ptr<int>("100", &boost::lexical_cast<int, const char[4]>)); BOOST_CHECK_EQUAL(100, try_cast_by_ptr<int>("100", &boost::lexical_cast<int, std::string>)); BOOST_CHECK_EQUAL(std::string("100"), try_cast_by_ptr<std::string>(100, &boost::lexical_cast<std::string, int>)); } Error text: ../lexical_cast_test.cpp:618:28: error: no matching function for call to 'try_cast_by_ptr' BOOST_CHECK_EQUAL(100, try_cast_by_ptr<int>("100", &boost::lexical_cast<int, const char[4]>)); ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../../../boost/test/test_tools.hpp:230:84: note: expanded from: ::boost::test_tools::tt_detail::equal_impl_frwd(), "", CHECK, CHECK_EQUAL, (L)(R), BOOST_PP_EMPTY() ) ^ ../../../boost/test/test_tools.hpp:88:61: note: expanded from: BOOST_JOIN( BOOST_TEST_TOOL_PASS_ARGS, frwd_type )( ARGS ) ); \ ^ ../../../boost/test/test_tools.hpp:70:57: note: expanded from: BOOST_PP_SEQ_FOR_EACH( BOOST_TEST_TOOL_PASS_ARG, _, ARGS ) ^ note: (skipping 16 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) ../../../boost/preprocessor/seq/elem.hpp:43:60: note: expanded from: # define BOOST_PP_SEQ_ELEM_II(im) BOOST_PP_SEQ_ELEM_III(im) ^ ../../../boost/preprocessor/seq/elem.hpp:44:41: note: expanded from: # define BOOST_PP_SEQ_ELEM_III(x, _) x ^ ../../../boost/test/test_tools.hpp:66:49: note: expanded from: #define BOOST_TEST_TOOL_PASS_ARG( r, _, arg ) , arg, BOOST_STRINGIZE( arg ) ^~~ ../lexical_cast_test.cpp:611:4: note: candidate template ignored: couldn't infer template argument 'Func' To try_cast_by_ptr(const From& from, Func f) { ^ ../lexical_cast_test.cpp:619:28: error: no matching function for call to 'try_cast_by_ptr' BOOST_CHECK_EQUAL(100, try_cast_by_ptr<int>("100", &boost::lexical_cast<int, std::string>)); ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../../../boost/test/test_tools.hpp:230:84: note: expanded from: ::boost::test_tools::tt_detail::equal_impl_frwd(), "", CHECK, CHECK_EQUAL, (L)(R), BOOST_PP_EMPTY() ) ^ ../../../boost/test/test_tools.hpp:88:61: note: expanded from: BOOST_JOIN( BOOST_TEST_TOOL_PASS_ARGS, frwd_type )( ARGS ) ); \ ^ ../../../boost/test/test_tools.hpp:70:57: note: expanded from: BOOST_PP_SEQ_FOR_EACH( BOOST_TEST_TOOL_PASS_ARG, _, ARGS ) ^ note: (skipping 16 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) ../../../boost/preprocessor/seq/elem.hpp:43:60: note: expanded from: # define BOOST_PP_SEQ_ELEM_II(im) BOOST_PP_SEQ_ELEM_III(im) ^ ../../../boost/preprocessor/seq/elem.hpp:44:41: note: expanded from: # define BOOST_PP_SEQ_ELEM_III(x, _) x ^ ../../../boost/test/test_tools.hpp:66:49: note: expanded from: #define BOOST_TEST_TOOL_PASS_ARG( r, _, arg ) , arg, BOOST_STRINGIZE( arg ) ^~~ ../lexical_cast_test.cpp:611:4: note: candidate template ignored: couldn't infer template argument 'Func' To try_cast_by_ptr(const From& from, Func f) { ^ ../lexical_cast_test.cpp:620:43: error: no matching function for call to 'try_cast_by_ptr' BOOST_CHECK_EQUAL(std::string("100"), try_cast_by_ptr<std::string>(100, &boost::lexical_cast<std::string, int>)); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../../../boost/test/test_tools.hpp:230:84: note: expanded from: ::boost::test_tools::tt_detail::equal_impl_frwd(), "", CHECK, CHECK_EQUAL, (L)(R), BOOST_PP_EMPTY() ) ^ ../../../boost/test/test_tools.hpp:88:61: note: expanded from: BOOST_JOIN( BOOST_TEST_TOOL_PASS_ARGS, frwd_type )( ARGS ) ); \ ^ ../../../boost/test/test_tools.hpp:70:57: note: expanded from: BOOST_PP_SEQ_FOR_EACH( BOOST_TEST_TOOL_PASS_ARG, _, ARGS ) ^ note: (skipping 16 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) ../../../boost/preprocessor/seq/elem.hpp:43:60: note: expanded from: # define BOOST_PP_SEQ_ELEM_II(im) BOOST_PP_SEQ_ELEM_III(im) ^ ../../../boost/preprocessor/seq/elem.hpp:44:41: note: expanded from: # define BOOST_PP_SEQ_ELEM_III(x, _) x ^ ../../../boost/test/test_tools.hpp:66:49: note: expanded from: #define BOOST_TEST_TOOL_PASS_ARG( r, _, arg ) , arg, BOOST_STRINGIZE( arg ) ^~~ ../lexical_cast_test.cpp:611:4: note: candidate template ignored: couldn't infer template argument 'Func' To try_cast_by_ptr(const From& from, Func f) { ^ 3 errors generated. -- Best regards, Antony Polukhin