Hi,
Deducing template parameters for constructors is a C++17 feature. You need to pass the -std=c++1z flag to the compiler. On Thu, Mar 30, 2017 at 3:48 AM, 312988...@qq.com via cfe-users <cfe-users@lists.llvm.org> wrote: > Hi, all, > > Below cannot be compiled with clang 5.0 (SVN r298093) on Visual Studio 2017. > > #include <tuple> > > using namespace std; > > int main() > { > tuple t{ 1, 3.14 }; > } > > The error message are as follows: > > 1>------ Build started: Project: cpptest, Configuration: Debug x64 ------ > 1>main.cpp(19,8): error : no viable constructor or deduction guide for > deduction of template arguments of 'tuple' > 1> tuple t{ 1, 3.14 }; > 1> ^ > 1>C:\Program Files (x86)\Microsoft Visual > Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\utility(88,8): > note: candidate function template not viable: requires 0 arguments, but 2 > were provided > 1> class tuple; > 1> ^ > 1>C:\Program Files (x86)\Microsoft Visual > Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\utility(88,8): > note: candidate function template not viable: requires 1 argument, but 2 > were provided > 1>1 error generated. > 1>Done building project "cpptest.vcxproj" -- FAILED. > ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== > > I have applied for an account for submitting bugs of clang, but no response > from the administrators. So I have to send mail to this forum. > > ________________________________ > 312988...@qq.com > > _______________________________________________ > cfe-users mailing list > cfe-users@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users > -- GCS a+ e++ d- C++ ULS$ L+$ !E- W++ P+++$ w++$ tv+ b++ DI D++ 5++ The Tao of math: The numbers you can count are not the real numbers. Life is complex, with real and imaginary parts. "Ok, it boots. Which means it must be bug-free and perfect. " -- Linus Torvalds "People disagree with me. I just ignore them." -- Linus Torvalds _______________________________________________ cfe-users mailing list cfe-users@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users