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C++20 - C++ Team Blog

How we used C++20 to eliminate an entire class of runtime bugs

January 13, 2022 Jan 13, 2022 01/13/22
Cameron DaCamara
C++20 is here and has been supported in MSVC since 16.11, but today's post is not about how you can use it, but rather how we used it to effectively eliminate an entire class of runtime bugs by hoisting a check into compile-time. Let's get right into it! Humble beginnings In compiler design one of the very first things you need is a way to ...

Moving a project to C++ named Modules

August 10, 2021 Aug 10, 2021 08/10/21
Cameron DaCamara
There is a lot of hype (and perhaps restraint) to using modules in projects. The general blocker tends to be build support, but even with good build support there is a distinct lack of useful resources for practices around moving projects to using named modules (not just header units). In this blog we will take a small project I created, ...

Standard C++20 Modules support with MSVC in Visual Studio 2019 version 16.8

September 14, 2020 Sep 14, 2020 09/14/20
Cameron DaCamara
Please see our Visual Studio 2019 version 16.8 Preview 3 release notes for more of our latest features. It has been some time since our last update regarding C++ Modules conformance. The toolset, project system, and IDE teams have been hard at work to create a first class C++ Modules experience in Visual Studio 2019. There is a lot to share...

Introducing source dependency reporting with MSVC in Visual Studio 2019 version 16.7

August 13, 2020 Aug 13, 2020 08/13/20
Cameron DaCamara
C++20 demands a lot more from the ecosystem than ever before. With C++20 Modules on the horizon the compiler needs to work closely with project systems in order to provide rich information for build dependency gathering and making iterative builds faster for inner-loop development. The compiler and project teams have acknowledged the new ...

Simplify Your Code With Rocket Science: C++20’s Spaceship Operator

June 27, 2019 Jun 27, 2019 06/27/19
Cameron DaCamara
This post is part of a regular series of posts where the C++ product team here at Microsoft and other guests answer questions we have received from customers. The questions can be about anything C++ related: MSVC toolset, the standard language and library, the C++ standards committee, isocpp.org, CppCon, etc. Today's post is by Cameron ...