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Author

anonymous

over 6 years ago

Language

C++

Compiler

gcc 5.4.0

Options
Warnings
Boost 1.68.0
C++14(GNU)
no pedantic

Author

anonymous

over 6 years ago

$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.68.0/gcc-5.4.0/include -std=gnu++14
prog.cc: In function 'int main()':
prog.cc:18:48: error: 'c.std::array<double, 3ul>::_M_elems[0ul]' is not a constant expression
     constexpr C::const_reference ref = c.at( 0 );
                                                ^
prog.cc:20:5: error: non-constant condition for static assertion
     static_assert( ref == 1, "ref != 1" );
     ^
Exit Code:
1