csharplang
SmartEnum
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csharplang | SmartEnum | |
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262 | 7 | |
10,868 | 2,050 | |
1.3% | - | |
9.6 | 8.2 | |
3 days ago | 9 days ago | |
C# | C# | |
- | MIT License |
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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?
SmartEnum
- Java or C# for backed
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Is there a "right" way to consolidate constants in C#/.NET?
I agree SmartEnum is my go-to for this
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best practice to create a method with params of limited values
If we knew more about these methods and what kinds of parameters they take we could maybe make some suggestions. There are some patterns like smart enum that are sometimes just the thing.
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Smart Enums In C# Like Java
In C# I am not able to add constructors, properties, and methods. although there is a library to do this https://github.com/Ardalis/SmartEnum but wouldn't be nice if we have this feature built-in to C#.
- What is it about C# that you do NOT like compared to other languages?
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Displaying Enums with custom value
You can use the SmartEnum library.
- C# records can be used to emulate Java's fancy enums.
What are some alternatives?
language-ext - C# functional language extensions - a base class library for functional programming
Enums.NET - Enums.NET is a high-performance type-safe .NET enum utility library
jOOQ - jOOQ is the best way to write SQL in Java
SmartAnnotations - A library for .NET that uses source generators to automatically generate data annotations for your models.
SharpLab - .NET language playground
Result - A result abstraction that can be mapped to HTTP response codes if needed.
SQLDelight - SQLDelight - Generates typesafe Kotlin APIs from SQL
NodaTime - A better date and time API for .NET
runtimelab - This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.
UnitsNet - Makes life working with units of measurement just a little bit better.
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.