在 2019/1/14 下午1:55, Liu Hao 写道: > 在 2019/1/14 上午6:46, Maarten Verhage 写道: > Your code is not valid. Clang++ rejects your snippet, too. > > The array-to-pointer conversion from an array of `const char` is not > allowed in a constant expression unless such an array is declared with > `constexpr` [1]. Use `constexpr` in place of `const` will solve your > problem. > > [1] ISO/IEC WG21 N4762: 7.7 Constant expressions [expr.const], (2.7), > (2.7.1), (2.7.3). <http://eel.is/c++draft/expr.const#4.7> > >
Additionally, you can define your array as `static const`, which, after the array-to-pointer conversion, also yields a constant expression [2]. [2] ISO/IEC WG21 N4762: 7.7 Constant expressions [expr.const], (6.2). <http://eel.is/c++draft/expr.const#8.2> -- Best regards, LH_Mouse _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
