What’s new in ReSharper 2022.3

ReSharper can now convert regular and verbatim strings into their raw counterparts. This also means that numerous existing features for strings are now available for raw strings.

In this release, we’ve introduced suggestions to use the new C# 11 list pattern syntax (instead of conventional collection length checks with subsequent indexer access expression) to check the corresponding items of the collection.

Starting from C# 11, you can use abstract and virtual modifiers for static members in interfaces and use such members in generic code with type parameters constrained by this interface. ReSharper has been updated to handle polymorphic static members the same way ordinary polymorphic members are handled:

• Inheritance marks on the gutter.
• Navigation to implementing/super members.
• Generation of missing implementations.
• Code completion suggestions after the override keyword also include interface members, so now you can easily implement abstract or virtual static members.

ReSharper now recognizes the cumbersome code pattern that C# developers have to write to perform an unsigned right shift for signed data types and suggests using the unsigned right shift (>>>) operator in C# 11 instead.

If you parse Spans of characters you probably use the MemoryExtensions.SequenceEqual method a lot. C# 11 introduces a shorthand for this kind of check. You can now simply pattern-match Spans of characters against string literals with is or switch expressions.

ReSharper now suggests using is or switch expressions instead of lots of if statements.

There is a new gutter mark icon to notify users about implicit namespace imports in C# and Razor files.

By hitting Alt+Enter on the corresponding line, you can observe the full list of implicit imports and information about the source file where the corresponding global using directives are located. If you select a particular imported namespace, ReSharper can navigate you to where it's declared, including navigation to <Using Include="Some.NameSpace" /> tags in the .csproj project file.

ReSharper also presents global imports from _Imports.razor and allows navigation to corresponding import definitions.

With the addition of Int128 and UInt128 numeric types in .NET 7, we've updated our code completion format specifier suggestions.

We’ve also added missing support for DateOnly and TimeOnly date/time types from .NET 6, as well as the Half half-precision floating point numeric type introduced in .NET 5.

Sometimes after refactoring, your pattern-matching expressions may turn into trivial recursive patterns. At this point it may not be worthwhile to use the recursive pattern syntax at all, so ReSharper now offers the action of rewriting patterns into simpler expressions while preserving the original pattern-matching semantics.

Sometimes when you type after an invocation, you see hardly any meaningful suggestions. This can happen if the invocation resulted in no value being produced when the void-returning method was invoked. Usually it takes a few IDE actions to realize that (going back and navigating to the method declaration, or hovering the mouse over the invocation). In this release we’ve introduced the void hint item over this type of void-returning invocation to give you immediate feedback about the type resulting from the invocation. Accepting this void item will add a semicolon after the invocation if the semicolon is missing.

Code highlights and squiggles in ReSharper 2022.3 received an overhaul. Due to a difference in internal logic, ReSharper used to come into conflict with Microsoft Roslyn’s code style analyzers, causing it to display overlapping highlighting, draw the same highlight in different spots, or double the squiggles. The differences in logic behind the majority of such instances have now been resolved, and for the rare outlier cases, there are errors with clear suggestions on how to resolve the conflict.

Whenever you’re using open-source NuGet packages in your solutions, there’s a risk of opening your project up to security vulnerabilities. While there are outside tools NuGet provides to screen for such threats, it’s infinitely more convenient to have a tool like that right in your IDE to catch any vulnerabilities during design time. That’s why we're introducing vulnerable dependency detection in ReSharper. Starting with this release, any affected dependencies will be highlighted in .csproj and .vbproj files.

ReSharper C++ 2022.3 adds experimental support for C++20 modules. We've updated the language engine and many of the ReSharper C++ features to work with the new compilation model, supporting both named modules and header units.

What’s New in ReSharper C++ 2022.3

ReSharper C++ 2022.3 provides seamless integration with clang-format. You can now switch between ReSharper’s own formatting engine and the built-in or a custom clang-format binary for formatting files. ReSharper C++ runs clang-format in a separate process, ensuring full compatibility with the industry-standard formatter, as well as better performance and a more extensive range of formatting options.