According to the company, C# produces errors when a value that has not been definitely assigned is used, and C# 10 understands the code better to produce less spurious errors, which improvements means users will see less errors and warnings for null references.
Also, C# 10 adds extended property patterns that make it easier to access nested property values in patterns.
What's New in C# 10 Programming Language?
C# 10 brings improvements to structs, as it introduces features for structs that offer better parity between classes and these new features include field initializers, parameterless constructors, record structs and expressions.
Before the release of C# 10, every struct had an implicit public parameterless constructor which set the fields to default, and it was an error to create a parameterless constructor on a struct. But with C# 10, you can include parameterless struct constructors or the implicit parameterless constructor will be provided to set all fields to their default.
In C# 10, you can also specify an explicit return type on a lambda expression, just like on a method or a local function, and the return type goes right before the parameters. Albeit, lambdas are invoked differently from methods and local functions, as a result attributes don't have any effect when the lambda is invoked.
C# 10 has a number of other improvements across the language, with some of these helping to make C# work in the way you expect.
How to Get Started with C# 10?
C# 10 is part of the .NET 6 software development framework and Visual Studio 2022 IDE, and C# programmers using this IDE experience will benefit from several improvements in this release.
Get started by downloading Visual Studio 2022 on Windows which is now available as a 64-bit application, you can edit, run, and debug the biggest and most complex problems without running out of memory.
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