OneOf
dunet
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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 ?
dunet
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Rolled my own Result<T,E> type that seems to work better than others.
BUT It is possible to implement it in a pretty good way. The main issue with the majority of existing libraries is that they're not able to guarantee that Error variant matching is exhaustive. Thus I'd recommend the usage of code generators libraries (https://github.com/domn1995/dunet looks like a good choice to start with) to build Result and Error(s) unions in a proper way
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How do you live without tagged union types?
Or use something like dunet https://github.com/domn1995/dunet
- Dunet: C# discriminated union source generator
What are some alternatives?
language-ext - C# functional language extensions - a base class library for functional programming
csharp-combinators - Experiments to understand and find practical use cases for combinators.
csharp-monad - Library of monads for C#
csharplang - The official repo for the design of the C# programming language
ValueOf - Deal with Primitive Obsession - define ValueObjects in a single line (of C#).
ZeroQL - C# GraphQL client with Linq-like syntax
plato - A simple and efficient cross-platform programming language.
Rop.OneOfExtensionGenerator - OneOf Helper Extensions Source Generator
mapperly - A .NET source generator for generating object mappings. No runtime reflection.
TensorFlowSharp - TensorFlow API for .NET languages
func - Library to extend C#'s functional programming capabilities