fslang-suggestions
language-ext
fslang-suggestions | language-ext | |
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43 | 41 | |
340 | 6,218 | |
0.9% | - | |
2.9 | 9.6 | |
8 days ago | 8 days ago | |
C# | ||
- | MIT License |
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fslang-suggestions
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Reusing static constraints with multiple generics
Trying to extend this https://github.com/fsharp/fslang-suggestions/issues/1089 to have two generics:
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VN Compiler. How to use Blazor components with Bolero. Introducing Blazor.Diagrams. (Pt. 1) (Restart)
Basically, what I've made in Spiral. There is even a F# issue to improve the syntax.
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Can I call method on the output of the pipe?
Not currently supported but it's an open language suggestion that's likely to end up in F#. https://github.com/fsharp/fslang-suggestions/issues/506
- Mapperly - A .NET source generator for object to object mappings
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Microfeatures I'd like to see in more languages
Re: the argument accessor shorthand, there seems to be a proposal for exactly that (using _ instead of &): https://github.com/fsharp/fslang-suggestions/issues/506#issu...
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Need help with Azure.Storage.Blobs to do simple enumerate blob items
I found this post (https://github.com/fsharp/fslang-suggestions/issues/975) which is about the same thing, but I'm confused as to what the final resolution was. There was mention of a taskSeq, but I can't find much info on that.
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OCaml programmer with some noob F# ecosystem questions
An issue in FSharp suggestions
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Announcing .NET 7 Preview 7
F# doesn’t currently seem to support source generators.
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What are the features you're looking forward to in the next version of Fsharp?
"Blessed" literals: only FSharp.List and System.Array have a built-in collection syntax in the language ([ ] and [| |]). Only FSharp.List has a special pattern matching constructor (::). The language itself shouldn't favor a particular type over another: it should be possible, at the library level, to write the same code but using different collection types (related discussion here).
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F# (in)compatibility
I mostly write F# so I can only speak for F#, but if you want you can create a module which extends Seq to add the OCaml names. I suspect the same is possible in OCaml. The authors are not trying to impede compatibility, but compatibility is not a goal. If you value compatibility, or adhering to ML norms, and you use F#, I recommend you (kindly) advocate for it in relevant issues on the F# language discussion repo. https://github.com/fsharp/fslang-suggestions/issues
language-ext
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The Monad Invasion - Part 2: Monads in Action!
You probably noticed that .SetName() returns a Either. You may have come across Unit in libraries like MediatR or Language-Ext. It's a simple construct representing a type with only one possible value. We use it as a placeholder for operations that do not return a value but may return another state. In our example, .SetName() is a Command that does not return a value but may fail. Therefore, the monad Either carries two possible states: Right (without value) or Left (with an Error).
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The Monad Invasion - Part 1: What's a Monad?
Language-Ext is my personal favourite, but it can be a bit overwhelming for beginners due to its extensive feature set
- Why don't you just use F#?
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The combined power of F# and C#
> but I just want something closer to Scala, but for .Net
That's what I'm working toward with my language-ext library [1]. Obviously more support for expression based programming would be welcome (and higher kinds), but you can do a lot with LINQ and a good integrated library surface.
[1] https://github.com/louthy/language-ext
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Option<T> monad for Unity/UniTask
Definitely a fan of option types, I wonder this library has anything over the C# library language-ext which also has an Option type?
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Result pattern: language-ext vs FunctionalExtensions?
Hey, I am considering adopting the Result pattern in my codebase. Wanted to get some opinions from someone who has experience with it: should I start with language-ext or FunctionalExtensions?
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John Carmack on Functional Programming in C++ (2018)
> [1] https://github.com/louthy/language-ext
Cool library. I've had a few of these patterns in my Sasa library for years, but you've taken it to the Haskell extreme! Probably further than most C# developers could stomach. ;-)
You might be interested in checking out the hash array mapped trie from Sasa [1]. It cleverly exploits the CLR's reified generics to unbox the trie at various levels which ends up saving quite a bit of space and indirections, so it performs almost on par with the mutable dictionary.
I had an earlier version that used an outer struct to ensure it's never null, similar to how your collections seem to work, but switched to classes to make it more idiomatic in C#.
I recently started sketching out a Haskell-like generic "Deriving" source generator, contrasted with your domain-specific piecemeal approach, ie. [Record], [Reader], etc. Did you ever try that approach?
[1] https://sourceforge.net/p/sasa/code/ci/default/tree/Sasa.Col...
[2] https://sourceforge.net/p/sasa/code/ci/57417faec5ed442224a0f...
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Don't sleep on Linq query syntax if you regularly iterate through large/complex data sources
languageext supports linq for its monads and I kinda love it. The challenge is convincing my colleagues. 😅
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What C# feature blew your mind when you learned it?
language-ext supports it and it's pretty dang cool.
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It's actually not that bad...
I can only recommend c# language extensions library https://github.com/louthy/language-ext
What are some alternatives?
ProjectReunion - The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.
OneOf - Easy to use F#-like ~discriminated~ unions for C# with exhaustive compile time matching
HVM - A massively parallel, optimal functional runtime in Rust
CSharpFunctionalExtensions - Functional extensions for C#
nand2tetris - Original course HDL solutions, F# implementations for the software stack, and VHDL implementations for the hardware stack for the nand2tetris course and The Elements of Computing Systems book.
Optional - A robust option type for C#
fslang-design - RFCs and docs related to the F# language design process, see https://github.com/fsharp/fslang-suggestions to submit ideas
MoreLINQ - Extensions to LINQ to Objects
FSharpPlus - Extensions for F#
Curryfy - Provides strongly typed extensions methods for C# delegates to take advantages of functional programming techniques, like currying and partial application.
ZIO - ZIO — A type-safe, composable library for async and concurrent programming in Scala
VisualFSharp - The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio