ClosedTypeHierarchyDiagnosticSuppressor
OneOf
| ClosedTypeHierarchyDiagnosticSuppressor | OneOf | |
|---|---|---|
| 4 | 25 | |
| 39 | 3,279 | |
| - | - | |
| 0.0 | 2.1 | |
| 6 months ago | 8 days ago | |
| C# | C# | |
| MIT License | MIT License |
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ClosedTypeHierarchyDiagnosticSuppressor
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Borgo is a statically typed language that compiles to Go
It's not the best solution, but an analyzer like [0] covers most of the cases for reference types. For enums and struct DUs in general we'll have to wait for language (or even runtime) support.
[0] https://github.com/shuebner/ClosedTypeHierarchyDiagnosticSup...
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Is downcasting in this scenario really bad? What are the alternatives?
I don't think you can get around downcasting though, since pattern matching on type is also just that. You can however make it somehwat safer with this nuget package, for as long as csharp doesn't support discriminated unions natively yet.
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How do you live without tagged union types?
If you are using visual studio you can try https://github.com/shuebner/ClosedTypeHierarchyDiagnosticSuppressor and write abstract record
- Exhaustiveness check for Discriminated Unions in C#
OneOf
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The Monad Invasion - Part 1: What's a Monad?
OneOf
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Discriminated Unions: Essa feature faz falta no CSharp
Inclusive, para suportar esse tipo de funcionalidade, foi criada a biblioteca OneOf: mcintyre321/OneOf: Easy to use F#-like ~discriminated~ unions for C# with exhaustive compile time matching (github.com)
- Easy to use F#-like ~discriminated~ unions for C# with big compile time matching
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Rolled my own Result<T,E> type that seems to work better than others.
Then I found discussion of the OneOf package, and then found some simpler Result code. I tried using that code but I found the use of Match and lambdas meant I couldn't simply break out of the loop in my example.
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What's new in C# 12: overview
Until that feature lands there's this https://github.com/mcintyre321/OneOf which is pretty nice.
- The combined power of F# and C#
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Exception handling between controller and service
Yep, it's called result pattern, aforementioned above. There was two highlighted implementations - OneOf, FluentResults.
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Have you heard of AnyOf .NET Lib?
No he didn't. He made a video of the OneOf library. Not this one.
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Have you heard of AnyOf C# Library?
We already have OneOf https://github.com/mcintyre321/OneOf I've used it in Production multiple times and it's an awesome way to keep everything strongly typed and eliminate null reference exceptions.
- What your hidden nuget gems ?
What are some alternatives?
dunet - C# discriminated union source generator
language-ext - C# functional language extensions - a base class library for functional programming
borgo - Borgo is a statically typed language that compiles to Go.
csharp-monad - Library of monads for C#
ValueOf - Deal with Primitive Obsession - define ValueObjects in a single line (of C#).
csharplang - The official repo for the design of the C# programming language
Rop.OneOfExtensionGenerator - OneOf Helper Extensions Source Generator
TensorFlowSharp - TensorFlow API for .NET languages
BinderTool - Dark Souls II / Dark Souls III / Bloodborne bdt, bhd, bnd, dcx, tpf, fmg and param unpacking tool
moja - Composable computation pipelines for Java: Async, Lazy, Option, Try, Result, Multi (List), Stated, Reader, Logger, Writer.
FluentResults - A generalised Result object implementation for .NET/C#
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.