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(ワッチョイ 0e8a-A4Ur)
2018/03/22(木)14:44
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211: (ワッチョイ 0e8a-A4Ur) [sage] 2018/03/22(木) 14:44:21.26 ID:ghmsMkp00 Visual Studio 2017 version 15.7 Preview 2 now available for download https://www.neowin.net/news/visual-studio-2017-version-157-preview-2-now-available-for-download C++ Added five new rules enforcing items from the C++ Core Guidelines regarding use of the Guidelines Support Library. We allow public base classes in aggregate types, so that they can be initialized using aggregate initialization syntax without writing boilerplate constructors. In the braced initializer list, bases are initialized first, followed by data members. Extend template argument deduction for functions to constructors of template classes – when you construct a class template you no longer have to specify the arguments. C++17 has changed the definition of qualification conversions. Previously, these were permitted between multi-level pointers and mixed pointers, such that qualifiers could often be added at levels other than the first; however, this did not similarly apply to arrays. Refined the expression evaluation order for major C++ operators that were previously left to compiler implementation detail, e.g. member access, assignment, and array index. Expand the using declaration to support pack expansion semantics for variadic base class members, which can then be used inside the derived class. We are now complete with the full implementation of Expression SFINAE, and have made the corresponding Standard Template Library changes. Implemented parallel algorithms conforming to the ISO C++17 standard. See the source file located at [VSInstallDir]\VC\Tools\MSVC\\include\yvals.h for additional details. In /std:c++17 mode, the warning level of C4834 ("discarding return value of function with 'nodiscard' attribute") is increased from W3 to W1. In addition, the compiler can now deduce the type of a non-type template argument that is declared with auto. http://mevius.5ch.net/test/read.cgi/tech/1520336504/211
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