The January 2019 update of the Visual Studio Code C++ extension is now available. This release includes many new features and bug fixes including documentation comments support, improved #include autocomplete performance, better member function completion, and many IntelliSense bug fixes. For a full list of this release’s improvements, check out our release notes on Github.
We added support for documentation comments for hover, completion, and signature help. You can now see documentation comments in tooltips. Let’s look at a simple box_sample.cpp program that defines a “Box” object with various dimensions.
The comment associated with a class or member function is shown in a tooltip when you hover over a place where the class or member function is used. For example, we can see the “Box object” comment in our main function where we create a Box instance:
This update improves #include autocomplete performance. It now shows individual folders instead of entire paths, thus fixing previous performance issues. When you autocomplete the #include recommendation. In the example below, we modified our original box_sample.cpp program where we place the Box object definition in a separate header file within the “Objects” folder. Now, when we go into our main box_sample.cpp file and see our #include auto-complete suggestion, we see the “Objects” folder auto-complete recommendation.
Improved Member Function Completion
With improved member function completion, the selected completion is committed after a parenthesis “(“ is entered. This removes the need to accept an autocompletion (using tab, enter, or click) and type the parenthesis. You will now receive the suggested text along with parentheses and the cursor in the middle for a simpler editing experience. Here’s a look at how this works with the “volume” member function for our Box object:
This also works for class and member function templates after you type a "
Note that if you accept the autocompletion using tab, enter, or click, we do not currently auto-add the parenthesis.
IntelliSense Bug Fixes
As per customer feedback, we’re continuing to work on bug fixes for IntelliSense. This release we’ve made some IntelliSense fixes including error squiggle improvements, process crash fixes, and increased stability.
You can see additional details of the issues we fixed in our release notes on GitHub.
Tell Us What You Think
Download the C/C++ extension for Visual Studio Code, give it a try, and let us know what you think. If you run into any issues, or have any suggestions, please report them on the Issues section of our GitHub repository. Join our Insiders program to get early builds of our extension.
Please also take our quick survey to help us shape this extension to meet your needs. We can be reached via the comments below or via email ([email protected]). You can also find us on Twitter (@VisualC).
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