C++ Team Blog

The latest in C++, Visual Studio, VS Code, and vcpkg from the MSFT C++ team

General C++ Series - C++ Team Blog

Open Sourcing IFC SDK for C++ Modules

October 3, 2023 Oct 3, 2023 10/3/23
GDR
Back with VS2019 version 16.10, we announced a complete implementation of C++ Modules (and, generally, of all C++20 features) across the MSVC compiler toolset, static analysis, IntelliSense, and debugger. Implementing Modules requires principled intermediate representation of C++ source programs. Today, we are thrilled to announce the ...

Improving the State of Debug Performance in C++

December 13, 2022 Dec 13, 2022 12/13/22
Cameron DaCamara
In this blog we will explore one change the MSVC compiler has implemented in an effort to improve the codegen quality of applications in debug mode. We will highlight what the change does, and how it could be extended for the future. If debug performance is something you care about for your C++ projects, then Visual Studio 2022 version 17.5 is...

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, ...

New Static Analysis Rule for Bounds Checking

May 11, 2021 May 11, 2021 05/11/21
Jordan Maples
We have added a new experimental static analysis rule in Visual Studio 16.10 version Preview 3 - C26458, . The new warning is a more precise and less noisy version of warning C26446, . Both warnings analyse standard containers for unchecked element access and they both share the warning message: “Prefer to use instead of unchecked subscript...