fslang-suggestions
csharplang
fslang-suggestions | csharplang | |
---|---|---|
43 | 262 | |
338 | 10,899 | |
0.3% | 1.1% | |
2.8 | 9.6 | |
9 months ago | 1 day ago | |
C# | ||
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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
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?
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.
language-ext - C# functional language extensions - a base class library for functional programming
HVM - A massively parallel, optimal functional runtime in Rust
jOOQ - jOOQ is the best way to write SQL in Java
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.
SharpLab - .NET language playground
fslang-design - RFCs and docs related to the F# language design process, see https://github.com/fsharp/fslang-suggestions to submit ideas
SQLDelight - SQLDelight - Generates typesafe Kotlin APIs from SQL
FSharpPlus - Extensions for F#
runtimelab - This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.
ZIO - ZIO — A type-safe, composable library for async and concurrent programming in Scala
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.