X-Authentication-Warning: delorie.com: mailnull set sender to djgpp-bounces using -f From: "Randy Maddox" To: , Subject: FW: Problem with template member of template class Date: Mon, 3 Dec 2001 09:15:07 -0500 Message-ID: <001201c17c04$e94ee620$3502a8c0@nancy> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_NextPart_000_0013_01C17BDB.0078DE20" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) Importance: Normal X-MS-TNEF-Correlator: 000000009C48F545F726D442AB16EBB632D02A0DE4212000 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6700 Reply-To: djgpp AT delorie DOT com This is a multi-part message in MIME format. ------=_NextPart_000_0013_01C17BDB.0078DE20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Hello, Maybe I'm jumping the gun here by following up so soon, but you guys got back to me so quickly on a couple of other issues that I thought this one might have gotten lost, either that or maybe I really stumped you with this one? Or maybe the question was just to stupid for a response? :-) I hope not! > -----Original Message----- > From: Randy Maddox [mailto:rmaddox AT isicns DOT com] > Sent: Wednesday, November 28, 2001 9:17 AM > To: djgpp AT delorie DOT com > Cc: Randy Maddox > Subject: Problem with template member of template class > > Hello, > > I am using the WinDoze 2K version of DJGPP as found in the zip archive > djdev204_alpha_win2k.zip and have encountered an issue compiling a > template member of a template class. This works fine only so long as the > template member is both declared and defined in the class declarations. > However, as soon as I try to define the template member outside of the > class declarations I get a compile error. For example: > > - This compiles fine and works as expected: > > // test driver for template class template member > > #include > > template class Test > { > public: > > Test(const T1 & privateValue) > : privateValue_(privateValue) > { } > > template > void Write(const T2 & value) > { > std::cout << "Write() value is: " << value << std::endl; > std::cout << "privateValue is: " << privateValue_ << std::endl > << std::endl; > } > > private: > > const T1 privateValue_; > }; > > int main() > { > std::cout << "Start of test driver" << std::endl << std::endl; > > Test test(3.3); > > test.Write("string value"); > > test.Write(4); > > std::cout << std::endl << "End of test driver" << std::endl; > } > > // end of this file > > > However, if I try to move the definition of Write() outside of the class > declarations as shown here: > > // test driver for template class template member > > #include > > template class Test > { > public: > > Test(const T1 & privateValue) > : privateValue_(privateValue) > { } > > template > void Write(const T2 & value); > > private: > > const T1 privateValue_; > }; > > > template > template > void Test::Write(const T2 & value) > { > std::cout << "Write() value is: " << value << std::endl; > std::cout << "privateValue is: " << privateValue_ << std::endl > << std::endl; > } > > > int main() > { > std::cout << "Start of test driver" << std::endl << std::endl; > > Test test(3.3); > > test.Write("string value"); > > test.Write(4); > > std::cout << std::endl << "End of test driver" << std::endl; > } > > // end of this file > > > Then I get the following compile error: > > >gxx test2.cpp > test2.cpp:25: partial specialization `Write' of function template > > Since, as far as I can tell from the Standard, this looks like the correct > syntax why do I get this error? Is this a bug? An unsupported feature? > Or do I just not actually understand the syntax? > > Using gxx -v reports the following: > > >gxx -v > Reading specs from C:/djgpp/bin/../lib/gcc-lib/djgpp/3.02/specs > Configured with: ../configure i586-pc-msdosdjgpp --prefix=/dev/env/DJDIR > --disable-nls > Thread model: single > gcc version 3.0.2 > C:/djgpp/bin/../lib/gcc-lib/djgpp/3.02/collect2.exe c:/djgpp/lib/crt0.o > -LC:/djgpp/bin/../lib/ > gcc-lib/djgpp/3.02 -LC:/djgpp/bin/../lib/gcc-lib -Lc:/djgpp/lib > -Lc:/djgpp/lib/gcc-lib/djgpp/3. > 02 -Lc:/djgpp/bin -Lc:/djgpp/lib > -LC:/djgpp/bin/../lib/gcc-lib/djgpp/3.02/../../.. -Lc:/djgpp/l > ib/gcc-lib/djgpp/3.02/../../.. -lstdcxx -lm -lgcc -lc -lgcc -Tdjgpp-x.djl > > Thanks. > > Randy Maddox > C++ Author, Architect, Developer > 703-883-8088 ext. 119 (8 am to 4:30 pm Eastern USA time) > rmaddox AT isicns DOT com > ------=_NextPart_000_0013_01C17BDB.0078DE20 Content-Type: application/ms-tnef; name="winmail.dat" Content-Transfer-Encoding: base64 Content-Disposition: attachment; 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