template <auto>
If you wanted to create templates with non-type template parameters, you had to specify both the type and the value. In C++17, this is no longer the case, as template <auto> helps simplify these scenarios.
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C++17 New Rules For auto Deduction From braced-init-list
Initialization of variables in C++ can have several forms: default initialization: std::string s; value initialization: std::string s{}; direct initialization: std::string s(“demo”); copy initialization: std::string s = “demo”; list initialization: std::string s{‘d’, ‘e’, ‘m’, ‘o’}; aggregate initialization: char s[5] = {‘d’, ‘e’, ‘m’, ‘o’}; reference initialization: char& c = s[0]; C++11 introduced a generalized syntax for…
Read More C++17 New Rules For auto Deduction From braced-init-listVisual Studio 2010 changes for VC++ (part 3)
Some of the important changs in Visual Studio 2010 in regard to VC++ are represented by the support in the C++ compiler of some of the features already approved for the new C++ standard, so far called C++0x. In this post I will give a short overview on then. static_assert I already wrote a post…
Read More Visual Studio 2010 changes for VC++ (part 3)Type inference in C++
The new C++0x standard provides support for type inference. The auto keyword that was doing nothing in C++ was given a new meaning: a placeholder for a type inferred by the compiler. For those familiar with C#’s var keyword, this is basically the same. Here is a comparison between auto in C++ and var in…
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