C# 12 The LATEST in .NET - C# 12 Preview
🔥 C# 12 NEW Features are in PREVIEW! - From Interceptors to Primary Constructors, This new version is shaping up to be HUGE!
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Timestamps:
00:00 C# 12 Preview 3 is out and looking great!
00:12 Primary Constructors for non-recorded classes and structs
01:01 Enhanced using directives
01:42 Default values for parameters in lambda expressions
02:16 Enhanced Nameof and #line Directive
03:04 Thank you, NordVPN!
03:58 Params Span and Inline arrays
04:45 C# 12 Interceptors
07:21 Let us know if we missed something!
We'll make sure to make a Developer out of you in no time!
So, what is C#?
C# (pronounced "See Sharp") is a modern, object-oriented, and type-safe programming language. C# enables developers to build many types of secure and robust applications that run in .NET. C# has its roots in the C family of languages and will be immediately familiar to C, C++, Java, and JavaScript programmers. This tour provides an overview of the major components of the language in C# 8 and earlier. If you want to explore the language through interactive examples, try the introduction to C# tutorials.
And what is new in C# 12?
Some C# 12 features have been introduced in previews. You can try these features using the latest Visual Studio preview or the latest .NET 8 preview SDK.
Primary constructors - Introduced in Visual Studio 17.6 preview 2.
Optional parameters in lambda expressions - Introduced in Visual Studio 17.5 preview 2.
Alias any type - Introduced in Visual Studio 17.6 preview 3.
Inline arrays - Introduced in Visual Studio 17.7 preview 3.
Interceptors - Preview feature Introduced in Visual Studio 17.7, preview 3.
Interpolated Strings as Format Strings: Interpolated strings can now be used as format strings. This allows you to use interpolated strings with the same performance benefits as format strings.
Lambda Improvements: Lambdas can now have attributes, and natural type is introduced for lambda expressions.
Caller Argument Expressions: This feature allows you to capture the expression passed to a method, which can be useful for validation and diagnostics.
Global Usings: You can now declare using directives that will be applied globally to all files in a compilation.
Extended Property Patterns: Property patterns can now be recursive, allowing for more concise patterns in nested objects.
Improved Interpolated Strings: Interpolated strings can now be transformed into StringBuilder calls, improving performance in certain scenarios.
Enhancements to nameof: The nameof keyword has been enhanced to work in more places, including with member names, initializers, on static members, and in attributes.
Inline Arrays: The InlineArrayAttribute was introduced, allowing for efficient, type-safe, overrun-safe indexable/sliceable inline data. This feature is primarily used by the compiler and certain libraries for performance improvements.
Interceptors: An experimental feature, interceptors allow specific method calls to be rerouted to different code. This can be useful for scenarios like ahead-of-time compilation (AOT) and context-specific optimization.
Learn more in the video! Happy Coding!
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C# 12 NEW Features are in PREVIEW! - From Interceptors to Primary Constructors - This is HUGE
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