csharp-source-generators
csharplang
csharp-source-generators | csharplang | |
---|---|---|
9 | 262 | |
1,880 | 10,899 | |
- | 1.1% | |
7.6 | 9.6 | |
10 days ago | 4 days ago | |
C# | ||
Creative Commons Zero v1.0 Universal | - |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
csharp-source-generators
- Any type providers implemented in C# using source generators
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Custom intellisense error or warning feedback?
I don't know of anything out of the box that would emit errors/warnings for a case like that, but if it was something you were dealing with often enough you could certainly write your own analyzer if one doesn't already exist.
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Embedded source generation?
List of source generators: https://github.com/amis92/csharp-source-generators
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What are the hardest topics in C#/.NET you would like to know more/better?
I also couldn't find many info in docs nor more advanced tutorials, but this list of source generators helped me as an inspiration.
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Why is no-one using Roslyn token-based code generation with Source Generators?
I'm planning to rewrite all of our company's old T4-based codegen tools into Source Generators. I've been looking at how other Source Generators are implemented and what surprised me is that everyone seems to assemble the output code manually as text with string builders or at best some simple templating engine (eg. Scriban). I expected that I would see a lot of projects assembling their output code from Roslyn tokens and then using Roslyn's formatter to produce the actual code that can be emitted into the output file(s), like this article demonstrates. No-one seem to be doing that though. Why?
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Source generator library
Start from here: C# Source Generators
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Getting into source generators in .Net
Look here under 'Tips & Tricks'
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The C# Source Generators revolution
Source generators colletion
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HttpClientGenerator is a tool that uses the Roslyn code generator feature to write boilerplate HttpClient code for you.
Add it to this list https://github.com/amis92/csharp-source-generators
csharplang
- Discriminated Unions: Essa feature faz falta no CSharp
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DevDocs
Certain parts of Microsoft Learn are permissive, for example the .NET BCL documentation is Creative Commons Attribution: https://github.com/dotnet/dotnet-api-docs as is ASP.NET Core: https://github.com/dotnet/AspNetCore.Docs (a good hint if documentation is permissively licensed and on GitHub is if there's an edit button at the top.)
The C# language specification is unfortunately a bit fuzzier: https://github.com/dotnet/csharplang/discussions/4855
The updated unified C# language specification is CC, but it's still catching up to modern C#: https://github.com/dotnet/csharpstandard
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The golden age of Kotlin and its uncertain future
No OP, but for example you still see the C# folks still struggling to add discriminated unions to the language because of complex interactions due to its too many features[1]. Virtual threads are easier to use than async/await is another example.
[1] https://github.com/dotnet/csharplang/issues/113
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When static types make your code shorter
For example, C# had a research fork called Spec# that had compile-time support for contracts, with keywords such as requires (for arguments) and ensures (for return values), all the way back in 2004. While still being discussed, it doesn't seem to be shipping any time soon.
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.NET 8 – .NET Blog
Hi there. I'm the language designer who created the 'Collection Expression' design/specification: https://github.com/dotnet/csharplang/issues/5354
You can see the entire history of the proposal there. To answer you specific question, we went with `..` because that's what the language already uses for the complimentary 'pattern matching deconstruction' form for collection patterns.
In other words, you can already say this today:
if (x is [var start, .. var middle, .. var end]) { ... }
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What's new in C# 12: overview
You must specify concrete type.
There was a plan to have "natural type" so "var list = [1,2,3]" would be of type "List" but it was postponed to C# 13 (https://github.com/dotnet/csharplang/issues/5354#issuecommen...)
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Robust Design through Value Objects in C#
While C# currently lacks direct support for this kind of functionality, there's a glimmer of hope with an active proposal under discussion that aims to bring this feature to the language. This potential addition promises a future where C# can natively offer similar robust type narrowing.
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The combined power of F# and C#
Given few people anticipated ValueTuple and C# adding a more direct tuple syntax, I feel like it is only a matter of time before C# adds discriminated unions.
(There are multiple proposals tracking the idea. This seems the most comprehensive and "central": https://github.com/dotnet/csharplang/issues/7016)
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Should i quit Django and move to asp.net
I always liked list abbreviations in python, but I absolutely love Linq. I believe there is a feature proposal for C# 12, which makes collection initialization better imo.
- Can constructor parameter assignment be made less verbose?
What are some alternatives?
Roslyn - The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
language-ext - C# functional language extensions - a base class library for functional programming
dotnet - .NET Community Toolkit is a collection of helpers and APIs that work for all .NET developers and are agnostic of any specific UI platform. The toolkit is maintained and published by Microsoft, and part of the .NET Foundation.
jOOQ - jOOQ is the best way to write SQL in Java
ResXFileCodeGenerator - VocaDb.ResXFileCodeGenerator is a C# source generator to generate strongly-typed resource classes for looking up localized strings.
SharpLab - .NET language playground
stronginject - compile time dependency injection for .NET
SQLDelight - SQLDelight - Generates typesafe Kotlin APIs from SQL
NullGuard - Adds null argument checks to an assembly
runtimelab - This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.
HttpClientCodeGenerator - HttpClientGenerator is a tool that uses the Roslyn code generator feature to write boilerplate HttpClient code for you.
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.