June 2005 - Boost - lists.preview.boost.org

Re: [boost] Boost regression notification
by David Abrahams 14 Jun '05

14 Jun '05

Daniel Wallin <dalwan01(a)student.umu.se> writes: > David Abrahams wrote: >> "Daniel Wallin" <dalwan01(a)student.umu.se> writes: >> >> >>>>David Abrahams wrote: >>>> >>>>Daniel apparently figured out how to fix the sfinae test for vc-7.1, >>>>but when I applied what I thought was his fix from the branch, it had >>>>no effect. >>> >>>That's probably because my fix involves changes in MPL which AFAIK hasn't >>>been applied yet. >> >> >> Oh, crud. How dangerous is it? > > I'm not sure. You'd have to ask Aleksey about that. He said that he > would apply the fix though, so I think it will happen. Can you send it to me, please? If not too evil, I'll just do it myself. I don't want our other fix to languish, have Aleksey make the patch at the last minute, and miss the release. -- Dave Abrahams Boost Consulting www.boost-consulting.com

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[Boost-bugs] [ boost-Bugs-1220011 ] local_adjustor::utc_to_local throws "Time label invalid"
by SourceForge.net 14 Jun '05

14 Jun '05

Bugs item #1220011, was opened at 2005-06-13 15:25 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=107586&aid=1220011&group_… Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: date_time Group: None Status: Open Resolution: None Priority: 5 Submitted By: Nobody/Anonymous (nobody) Assigned to: Jeff Garland (az_sw_dude) Summary: local_adjustor::utc_to_local throws "Time label invalid" Initial Comment: using namespace boost::posix_time; using namespace boost::date_time; using namespace boost::gregorian; ptime datetime( date( 2005, 4, 2 ), time_duration( 23, 0, 0 ) ); typedef local_adjustor< ptime, 3, us_dst > adj; ptime adj_time( adj::utc_to_local( datetime ) ); // Fails with "Time label invalid" Compiled on boost 1.32.0 with msvc++ 7.1.3088 ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=107586&aid=1220011&group_… ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. How far can you shotput a projector? How fast can you ride your desk chair down the office luge track? If you want to score the big prize, get to know the little guy. Play to win an NEC 61" plasma display: http://www.necitguy.com/?r=20 _______________________________________________ Boost-bugs mailing list Boost-bugs(a)lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/boost-bugs

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Zetec loves boost
by Thomas Matelich 13 Jun '05

13 Jun '05

Application: Eddynet Suite (ZAC, Electronic Resolution, EIMS-[BOP,SG,TSB], and more) Company: Zetec, Inc. Product Description: Eddynet is a complete suite of software for conducting an eddy current inspection of metal tubing, especially that in steam generators of nuclear power plants. We've been using Boost since 2001 in our C++ rewrite of our legacy systems. Boost libraries used: Smart Pointer - shared_ptr has made life good Utility - I love noncopyable Bind - The most fun way to confound my coworkers. Graph - This library and the makefile dependencies example was a godsend for creating a build & link management/subset creation/circular dependency check tool for our 110 cvs modules. Iterator Cast: lexical_cast and numeric_cast Function Regex Tuple - great for when you're too lazy to make a struct Lambda - so much fun! Ref Static Assert Type Traits Quaternion Any Format Tokenizer TriBool CRC Operators Product webpage: http://www.zetec.com/industries/energy/sg_software.asp (We're hiring, boost experience preferred :)

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boost::filesystem - directory_iterator makes optimization hard
by Chris Frey 13 Jun '05

13 Jun '05

Hi, I recently had a need to do directory lookups in C++ and thought I'd take a look at boost::filesystem. I ran the sample_ls.cpp from the documentation, and it worked great. The problem is that directory_iterator appears to return a pointer to a path object. This path object is then passed to functions such as is_directory() to find the type. On systems that support type information in the directory entry itself, this structure limits what data can be returned in an iteration. I would suggest something like (roughly): class path; class dirent; class directory_iterator { // ... const dirent * operator-> () const; // ... }; class dirent { // some easy method to convert to path operator path (); // or perhaps a safer method would just be // to duplicate the path functions const std::string & leaf() const; // etc. // and then possible optimized versions bool is_directory() const; // ... }; The members of dirent would mirror the available functions that use the path object. If no optimization is possible, it just calls what the user would have had to call anyway. But if it is possible to optimize certain items (such as a struct dirent containing d_type), this would be used, possibly saving a call to stat(). Normally optimization should be left as implementation details... but in this case, I believe the class design limits what optimization is allowed. I would be pleased if I'm wrong on this. Thanks for reading this far. - Chris

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[preprocessor] missing test case?
by JOAQUIN LOPEZ MU?Z 13 Jun '05

13 Jun '05

AFAICS the test boost/libs/preprocessor/test/seq.cpp is not included in the preprocessor test suite (in boost/status/Jamfile). Any reason for this omission? Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

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Boost regression notification
by Douglas Gregor 13 Jun '05

13 Jun '05

Boost regression test failures ------------------------------ Report time: 2005-06-13T15:59:33Z Purpose: You are receiving this report because one of the libraries you maintain has regression test failures that are not accounted for. The report is also copied to the Boost mailing list. Detailed report: http://engineering.meta-comm.com/boost-regression/CVS-HEAD/developer/issues… 748 failures in 19 libraries: algorithm/string (1) assign (2) date_time (9) filesystem (1) io (1) iostreams (2) iterator (2) multi_index (1) parameter (1) program_options (29) ptr_container (1) python (19) random (4) regex (56) serialization (605) spirit (3) test (8) thread (1) wave (2) |algorithm/string| regex: vc-7_0 |assign| list_of: intel-win32-8_1 intel-win32-8_1 |date_time| testlocal_time_input_facet: cw-9_4 testtime_serialize: cw-9_5-darwin gcc-3_3-darwin testtime_serialize_std_config: cw-9_5-darwin gcc-3_3-darwin testtime_serialize_xml: cw-9_5-darwin gcc-3_3-darwin testtime_serialize_xml_std_config: cw-9_5-darwin gcc-3_3-darwin |filesystem| operations_test: cw-9_5-darwin |io| ios_state_unit_test: intel-win32-8_1 |iostreams| regex_filter_test: vc-6_5-stlport vc-7_0 |iterator| filter_iterator_test: borland-5_6_4 zip_iterator_test: vc-6_5-stlport |multi_index| test_serialization: vc-7_0 |parameter| sfinae: vc-7_1 |program_options| cmdline_test: borland-5_6_4 vc-7_0 cmdline_test_dll: borland-5_6_4 vc-7_0 options_description_test: vc-7_0 options_description_test_dll: vc-7_0 parsers_test: borland-5_6_4 intel-8.1-linux intel-win32-8_1 intel-win32-8_1 vc-7_0 parsers_test_dll: borland-5_6_4 intel-8.1-linux vc-7_0 positional_options_test: borland-5_6_4 vc-7_0 positional_options_test_dll: borland-5_6_4 vc-7_0 unicode_test: vc-7_0 unicode_test_dll: cw-9_5-darwin gcc-3_3-darwin gcc-3_3-darwin vc-7_0 variable_map_test: borland-5_6_4 vc-7_0 variable_map_test_dll: borland-5_6_4 vc-7_0 winmain: vc-7_0 winmain_dll: vc-7_0 |ptr_container| ptr_list: gcc-4.0.0-linux |python| andreas_beyer: vc-6_5-stlport extract: gcc-3.4.4-linux indirect_traits_test: msvc vc-6_5-stlport vc-7_0 list: gcc-3.4.4-linux numpy: gcc-3.4.4-linux pickle1: gcc-3.4.4-linux pickle2: gcc-3.4.4-linux pickle3: gcc-3.4.4-linux pickle4: gcc-3.4.4-linux polymorphism: vc-6_5-stlport vc-7_0 polymorphism2: vc-6_5-stlport vc-7_0 shared_ptr: vc-6_5-stlport vc-7_0 slice: gcc-3.4.4-linux vector_indexing_suite: vc-6_5-stlport |random| random_test: gcc-2.95.3-linux gcc-2.95.3-stlport-4.5.3-linux intel-win32-8_1 intel-win32-8_1 |regex| bad_expression_test: vc-6_5-stlport vc-7_0 collate_info: vc-6_5-stlport vc-7_0 credit_card_example: vc-6_5-stlport vc-7_0 icu_example: vc-6_5-stlport vc-7_0 mfc_example: vc-7_0 object_cache_test: vc-6_5-stlport vc-7_0 partial_regex_grep: vc-6_5-stlport vc-7_0 partial_regex_match: vc-6_5-stlport vc-7_0 posix_api_check_cpp: vc-6_5-stlport vc-7_0 recursion_test: vc-6_5-stlport vc-7_0 regex_config_info: vc-6_5-stlport vc-7_0 regex_dll_config_info: vc-6_5-stlport vc-7_0 regex_grep_example_1: vc-6_5-stlport vc-7_0 regex_grep_example_2: vc-6_5-stlport vc-7_0 regex_grep_example_3: vc-6_5-stlport vc-7_0 regex_iterator_example: vc-6_5-stlport vc-7_0 regex_match_example: vc-6_5-stlport vc-7_0 regex_merge_example: vc-6_5-stlport vc-7_0 regex_regress: vc-6_5-stlport vc-7_0 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test_non_intrusive_binary_archive_dll: vc-7_0 test_non_intrusive_text_archive: vc-7_0 test_non_intrusive_text_archive_dll: cw-9_5-darwin vc-7_0 test_non_intrusive_text_warchive: vc-7_0 test_non_intrusive_text_warchive_dll: cw-9_5-darwin vc-7_0 test_non_intrusive_xml_archive: vc-7_0 test_non_intrusive_xml_archive_dll: cw-9_5-darwin vc-7_0 test_non_intrusive_xml_warchive: vc-7_0 test_non_intrusive_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_null_ptr_binary_archive: vc-7_0 test_null_ptr_binary_archive_dll: vc-7_0 test_null_ptr_text_archive: vc-7_0 test_null_ptr_text_archive_dll: cw-9_5-darwin vc-7_0 test_null_ptr_text_warchive: vc-7_0 test_null_ptr_text_warchive_dll: cw-9_5-darwin vc-7_0 test_null_ptr_xml_archive: vc-7_0 test_null_ptr_xml_archive_dll: vc-7_0 test_null_ptr_xml_warchive: vc-7_0 test_null_ptr_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_nvp_binary_archive: vc-7_0 test_nvp_binary_archive_dll: vc-7_0 test_nvp_text_archive: vc-7_0 test_nvp_text_archive_dll: cw-9_5-darwin vc-7_0 test_nvp_text_warchive: vc-7_0 test_nvp_text_warchive_dll: cw-9_5-darwin vc-7_0 test_nvp_xml_archive: vc-7_0 test_nvp_xml_archive_dll: cw-9_5-darwin vc-7_0 test_nvp_xml_warchive: vc-7_0 test_nvp_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_object_binary_archive: vc-7_0 test_object_binary_archive_dll: vc-7_0 test_object_text_archive: vc-7_0 test_object_text_archive_dll: vc-7_0 test_object_text_warchive: vc-7_0 test_object_text_warchive_dll: cw-9_5-darwin vc-7_0 test_object_xml_archive: vc-7_0 test_object_xml_archive_dll: vc-7_0 test_object_xml_warchive: vc-7_0 test_object_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_optional_binary_archive: vc-7_0 test_optional_binary_archive_dll: vc-7_0 test_optional_text_archive: vc-7_0 test_optional_text_archive_dll: cw-9_5-darwin vc-7_0 test_optional_text_warchive: vc-7_0 test_optional_text_warchive_dll: cw-9_5-darwin vc-7_0 test_optional_xml_archive: vc-7_0 test_optional_xml_archive_dll: cw-9_5-darwin vc-7_0 test_optional_xml_warchive: vc-7_0 test_optional_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_polymorphic_binary_archive: vc-7_0 test_polymorphic_binary_archive_dll: vc-7_0 test_polymorphic_text_archive: vc-7_0 test_polymorphic_text_archive_dll: cw-9_5-darwin vc-7_0 test_polymorphic_text_warchive: vc-7_0 test_polymorphic_text_warchive_dll: cw-9_5-darwin vc-7_0 test_polymorphic_xml_archive: vc-7_0 test_polymorphic_xml_archive_dll: cw-9_5-darwin vc-7_0 test_polymorphic_xml_warchive: vc-7_0 test_polymorphic_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_primitive_binary_archive: cw-9_5-darwin vc-7_0 test_primitive_binary_archive_dll: cw-9_5-darwin vc-7_0 test_primitive_text_archive: cw-9_5-darwin vc-7_0 test_primitive_text_archive_dll: cw-9_5-darwin vc-7_0 test_primitive_text_warchive: cw-9_5-darwin vc-7_0 test_primitive_text_warchive_dll: cw-9_5-darwin vc-7_0 test_primitive_xml_archive: cw-9_5-darwin vc-7_0 test_primitive_xml_archive_dll: cw-9_5-darwin vc-7_0 test_primitive_xml_warchive: cw-9_5-darwin vc-7_0 test_primitive_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_private_ctor: vc-7_0 test_private_ctor_dll: cw-9_5-darwin vc-7_0 test_recursion_binary_archive: vc-7_0 test_recursion_binary_archive_dll: vc-7_0 test_recursion_text_archive: vc-7_0 test_recursion_text_archive_dll: cw-9_5-darwin vc-7_0 test_recursion_text_warchive: vc-7_0 test_recursion_text_warchive_dll: cw-9_5-darwin vc-7_0 test_recursion_xml_archive: vc-7_0 test_recursion_xml_archive_dll: cw-9_5-darwin vc-7_0 test_recursion_xml_warchive: vc-7_0 test_recursion_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_registered_binary_archive: vc-7_0 test_registered_binary_archive_dll: vc-7_0 test_registered_text_archive: vc-7_0 test_registered_text_archive_dll: vc-7_0 test_registered_text_warchive: vc-7_0 test_registered_text_warchive_dll: vc-7_0 test_registered_xml_archive: vc-7_0 test_registered_xml_archive_dll: vc-7_0 test_registered_xml_warchive: vc-7_0 test_registered_xml_warchive_dll: vc-7_0 test_reset_object_address: vc-7_0 test_reset_object_address_dll: cw-9_5-darwin vc-7_0 test_set_binary_archive: vc-7_0 test_set_binary_archive_dll: vc-7_0 test_set_text_archive: vc-7_0 test_set_text_archive_dll: cw-9_5-darwin vc-7_0 test_set_text_warchive: vc-7_0 test_set_text_warchive_dll: cw-9_5-darwin vc-7_0 test_set_xml_archive: vc-7_0 test_set_xml_archive_dll: cw-9_5-darwin vc-7_0 test_set_xml_warchive: vc-7_0 test_set_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_shared_ptr_binary_archive: msvc vc-7_0 test_shared_ptr_binary_archive_dll: msvc vc-7_0 test_shared_ptr_text_archive: msvc vc-7_0 test_shared_ptr_text_archive_dll: msvc vc-7_0 test_shared_ptr_text_warchive: msvc vc-7_0 test_shared_ptr_text_warchive_dll: msvc vc-7_0 test_shared_ptr_xml_archive: msvc vc-7_0 test_shared_ptr_xml_archive_dll: msvc vc-7_0 test_shared_ptr_xml_warchive: msvc vc-7_0 test_shared_ptr_xml_warchive_dll: msvc vc-7_0 test_simple_class_binary_archive: vc-7_0 test_simple_class_binary_archive_dll: vc-7_0 test_simple_class_ptr_binary_archive: vc-7_0 test_simple_class_ptr_binary_archive_dll: vc-7_0 test_simple_class_ptr_text_archive: vc-7_0 test_simple_class_ptr_text_archive_dll: cw-9_5-darwin vc-7_0 test_simple_class_ptr_text_warchive: vc-7_0 test_simple_class_ptr_text_warchive_dll: cw-9_5-darwin vc-7_0 test_simple_class_ptr_xml_archive: vc-7_0 test_simple_class_ptr_xml_archive_dll: cw-9_5-darwin vc-7_0 test_simple_class_ptr_xml_warchive: vc-7_0 test_simple_class_ptr_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_simple_class_text_archive: vc-7_0 test_simple_class_text_archive_dll: cw-9_5-darwin vc-7_0 test_simple_class_text_warchive: vc-7_0 test_simple_class_text_warchive_dll: cw-9_5-darwin vc-7_0 test_simple_class_xml_archive: vc-7_0 test_simple_class_xml_archive_dll: cw-9_5-darwin vc-7_0 test_simple_class_xml_warchive: vc-7_0 test_simple_class_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_split_binary_archive: vc-7_0 test_split_binary_archive_dll: vc-7_0 test_split_text_archive: vc-7_0 test_split_text_archive_dll: cw-9_5-darwin vc-7_0 test_split_text_warchive: vc-7_0 test_split_text_warchive_dll: cw-9_5-darwin vc-7_0 test_split_xml_archive: vc-7_0 test_split_xml_archive_dll: vc-7_0 test_split_xml_warchive: vc-7_0 test_split_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_tracking_binary_archive: vc-7_0 test_tracking_binary_archive_dll: vc-7_0 test_tracking_text_archive: vc-7_0 test_tracking_text_archive_dll: cw-9_5-darwin vc-7_0 test_tracking_text_warchive: vc-7_0 test_tracking_text_warchive_dll: cw-9_5-darwin vc-7_0 test_tracking_xml_archive: vc-7_0 test_tracking_xml_archive_dll: vc-7_0 test_tracking_xml_warchive: vc-7_0 test_tracking_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_unregistered_binary_archive: vc-7_0 test_unregistered_binary_archive_dll: vc-7_0 test_unregistered_text_archive: vc-7_0 test_unregistered_text_archive_dll: vc-7_0 test_unregistered_text_warchive: vc-7_0 test_unregistered_text_warchive_dll: vc-7_0 test_unregistered_xml_archive: vc-7_0 test_unregistered_xml_archive_dll: vc-7_0 test_unregistered_xml_warchive: vc-7_0 test_unregistered_xml_warchive_dll: vc-7_0 test_variant_binary_archive: vc-6_5-stlport vc-7_0 test_variant_binary_archive_dll: vc-7_0 test_variant_text_archive: vc-6_5-stlport vc-7_0 test_variant_text_archive_dll: cw-9_5-darwin vc-7_0 test_variant_text_warchive: vc-6_5-stlport vc-7_0 test_variant_text_warchive_dll: cw-9_5-darwin vc-7_0 test_variant_xml_archive: vc-6_5-stlport vc-7_0 test_variant_xml_archive_dll: cw-9_5-darwin vc-7_0 test_variant_xml_warchive: vc-6_5-stlport vc-7_0 test_variant_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_vector_binary_archive: vc-7_0 test_vector_binary_archive_dll: vc-7_0 test_vector_text_archive: vc-7_0 test_vector_text_archive_dll: cw-9_5-darwin vc-7_0 test_vector_text_warchive: vc-7_0 test_vector_text_warchive_dll: cw-9_5-darwin vc-7_0 test_vector_xml_archive: vc-7_0 test_vector_xml_archive_dll: cw-9_5-darwin vc-7_0 test_vector_xml_warchive: vc-7_0 test_vector_xml_warchive_dll: cw-9_5-darwin vc-7_0 test_void_cast: vc-7_0 test_void_cast_dll: vc-7_0 |spirit| bug_fixes: cw-9_5-darwin bug_fixes_debug: cw-9_5-darwin owi_mt_tests: gcc-3_3-darwin |test| errors_handling_test: cw-9_5-darwin test_fp_comparisons: borland-5_6_4 test_tools_test: cw-9_4 cw-9_4 cw-9_5-darwin token_iterator_test: gcc-2.95.3-linux gcc-3.4.4-linux gcc-4.0.0-linux |thread| test_read_write_mutex: borland-5_6_4 |wave| testwave: cw-8_3 cw-9_5-darwin

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NPC International is using boost
by Brock Peabody 13 Jun '05

13 Jun '05

With about 800 restaurants, NPC International is the world's largest Pizza Hut franchisee. Our company's web site is: www.npcinternational.com. We make extensive use of boost in our internally developed point of sale, restaurant management, communications, and accounting systems. We use the following libraries in approximate order of frequency of use: bind function optional shared_ptr date_time thread lambda type_traits mpl tuple enable_if variant spirit string_algo preprocessor filesystem operator iterators tokenizer Many, many thanks, Brock Peabody

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Proposal for std::numeric_limits<T>::max_digits10;
by Paul A Bristow 13 Jun '05

13 Jun '05

I attach links to a proposal for very tiny addition to the numeric_limits. It provides an easy way for the novice to ensure that all potentially significant digits are output. For example, for float 6 decimal digits are guaranteed, but 9 may be significant. This is used in Boost test, and should be useful for lexical_cast, serialization etc. Comments, objections, better name suggestions, etc welcome. Paul http://www.hetp.u-net.com/public/Cpp/numeric_limits%20significant%20digits.p df aka http://tinyurl.com/9qxdk Paul A Bristow Prizet Farmhouse, Kendal, Cumbria UK LA8 8AB +44 1539 561830 +44 7714 330204 mailto: pbristow(a)hetp.u-net.com

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Re: [boost] MPL on IBM-vacpp
by Toon Knapen 13 Jun '05

13 Jun '05

Markus Schöpflin <markus.schoepflin(a)comsoft.de> wrote: >Toon Knapen wrote: > >> As you might have noticed we have succeeded in running regression.py on >IBM. >> In the mean time Joaquin already noted that multi_index was broken. He >also >> suggested that it was probably due to >> BOOST_MPL_CFG_USE_OPERATORS_OVERLOADING. And indeed, adding >> BOOST_WORKAROUND(__IBMCPP__, <= 600 ) to boost/mpl/aux_/config makes >that >> multi_index compiles again (and probably other libs too). > >Better make that BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600) ) Indeed that would be better. > >> So is it OK to add the patch in attachment ? > actually I did not forget the attachment. I forgot though that the mail- client I am currently using always drops the attachment. Well anyway, the patch is straightforward. I will send it again on thursday when I have access again to my development machine. toon

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Text_archives don't support integer types?
by Marcin Tustin 13 Jun '05

13 Jun '05

I'm using the CVS version of Boost from 2005-06-06, and it seems that text archives don't support anything except strings, characters, and the like, specifically not integer types like int. I've grepped the archive includes, and it seems that there are no save methods specified for the integer types (except char) by the text archives, and I get compiler errors like: c:\D2\API\NewClient\EnhancedMessageHandler.h(370) : error C2679: binary '<<' : no operator found which takes a right-hand operand of type 'int' (or there is no acceptable conversion) (with VC7.1) It works when the RHS of << is a variable, but not when it is a function. I take it that this is because with variables, a string is automatically constructed to wrap the int types. This is very confusing, and might well be worth mentioning in the docs. Marcin Tustin IT Innovation Centre 2 Venture Road Chilworth Science Park Southampton, SO16 7NP, UK tel: +44 23 8076 0834 fax: +44 23 8076 0833 mailto:mt@it-innovation.soton.ac.uk http://www.it-innovation.soton.ac.uk

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