Sergey Tihon's Blog

 

Make sure you stay at the cutting-edge of F# with our advanced coaching packages

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Tickets for #FableConf are on sale!
• HTML templating in Bolero with Hot Reloading
• Bolero upgrade guide from v0.4 to v0.5
• Сompleted SAFE-Chat migration to Fable 2
• Deriving a Domain Specific Language for purely functional 3D Graphics
• Write Better Code Faster with Roslyn Analyzers

Videos & Slides

• Introduction to Web-Development with F# and Fable (F# + Babel = Fable) – Roman Sachse
• How to write a Query Handler Part 2 – Event Sourcing and CQRS DIY S2E04 – Roman Sachse
• Write your own domain specific language with F# – Mikhail Smal
• What’s new for performance in .NET Core and ASP.NET Core 3.0 – Ben Adams
• Keynote DotNet 2019 by Scott Hunter
• Languages & Runtime: .NET Community Standup – July 11th 2019
• Introduction to F# and functional programming for the C# developer – Nicola Iarocci

Blogs

• Applying the Tagless-Final pattern in F# Generic Programs – Eirik Tsarpalis
• Fsharp code kata: Prisoner Dilemma – Tonino Lucca
• Modern #CSS3 for a WebForms #GridView and #WebSharper – giuliohome
• Babel F# pipeline operator – George Dyrrachitis
• Creating Slack Commands With Azure Functions – Aaron Powell
• Using FSharp with Table Storage and Azure Functions – Aaron Powell

F# vNext:

• F# RFC FS-1073 – Allow access to Record type constructors
• F# RFC FS-1074 – Default interface member interop
• New language suggestions:
  • Add support for the `example` documentation comment tag
  • Support symmetric diff on maps and sets (hot)
  • Auto implement partial active recognizers for DU cases

GitHub projects

• jsinger67/Lelek – F# LL(k) Parser generator.
• intellifactory/IntroToFSharp – Introduction to F#
• aardvark-platform/aardvark.media – Functional (ELM style) front-end and UI for aardvark, an open-source platform for visual computing, real-time graphics and visualization.

New Releases

• Fabulous 0.41.0
• FSharp.Control.Redis.Streams 0.1.0
• FSharp.Stats 0.1.0
• Hedgehog 0.8.3
• FSharp.UMX 1.0.0
• Irc.FSharp 0.5.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #27, 2019

 

Our coaching and training can help you switch to cleaner, smarter code – hassle-free

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Introducing Femto – Automatic npm package resolution used by Fable bindings
• Babel 7.5.0 Released with dynamic import and F# pipelines
• iOS 13 Preview Release Now Available

Videos & Slides

• Fabulous – F# for cross-platform mobile apps – Don Syme
• F# Tidbits- The Fold function – Tutorial – Roman Sachse
• Using Dependent Types in an F# DSL for Linear Algebra – Allister Beharry
• Introduction to F# and functional programming for the C# developer – Nicola Iarocci

Blogs

• Fighting complexity in software development – Roman
• F# tip: ToString considered dangerous – Christer van der Meeren
• Seven Reasons to use the SAFE Stack – Compositional IT
• Home Grown IoT – Processing Data – Aaron Powell
• Nelder Mead Optimization with F# + Fable – Nick Fisher
• Applying the Tagless-Final pattern in F# Generic Programs – ‏Eirik Tsarpalis
• Learning F# — Web Scraping With F# Data – Michael Kohl
• Peephole optimizations in C++ and C# – Egor Bogatov
• Using Span for high performance interop with unmanaged libraries – Eric Sink

F# vNext:

• FSharpLint: Update FCS to 30.0.0
• New language suggestions:
  • Allow static local functions
  • Make “->” works in all for-loop to replace “do yield”
  • Support ‘without’ for Anonymous Records

GitHub projects

• thonhotels/bluefin – F# wrapper for Azure az CLI commands
• fsprojects/FSharp.Codecs.Redis – FSharp redis codecs based on Fleece patterns
• TheAngryByrd/FSharp.Control.Redis.Streams – Interop library between Redis Streams and popular dotnet streaming libraries
• fsprojects/FSharp.Data.GraphQL – FSharp implementation of Facebook GraphQL query language.

New Releases

• FSharpx.Async 1.14.1
• Rider 2019.2 EAP 2
• Visual Studio 2019 for Mac version 8.1.4

That’s all for now. Have a great week.

Previous F# Weekly edition – #26, 2019

Take F# to another level with end-to-end web apps through our SAFE Training course!

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• The Evolving Infrastructure of .NET Core
• Visual Studio tips and tricks
• Windows Terminal (Preview)
• Scaling from 2,000 to 25,000 engineers on GitHub at Microsoft

Videos & Slides

• Applicatives IRL – Jérémie Chassaing
• The anatomy of the F# tools for Visual Studio – Phillip Carter
• Event Sourcing DIY S2E3 – Query Handler Part 1 – ‏Roman Sachse
• The Functional Toolkit – Scott Wlaschin
• Cultures of programming – Tomas Petricek
• Zeeshan Siddiqui – ML.NET
• Dylan Beattie and the Linebreakers – Live at NDC Oslo 2019
• All .NET Summit 2019 Videos
  • Full Stack Web in F#, Tomasz Heimowski
  • Is Task the only option? – Ayrat Hudaygulov (RU)

Blogs

• F# Linear algebra with type-level dimensions and static checks – Sylvester
• Efficiently At: Purge Duplicated Fillpatterns – Chen, Ching-Hua
• C# – The good parts – Sam Williams

F# vNext:

• Compilation Model Prototype – Information / Discussion / Proposed Plans
• New language suggestions:
  • Add support for Span<‘t> pinning
  • Allow to use delegate constructors as functions
  • Match anonymous record’s type inference with nominal records inference

GitHub projects

• cmeeren/Elmish.WPF.Dynamic – A dynamic Elmish UI library for WPF
• Zaid-Ajaj/Giraffe.GoodRead – Practical dependency injection in Giraffe that gets out of your way
• Zaid-Ajaj/Femto – Femto is a CLI tool that manages npm packages used by Fable bindings
• yatli/coc-fsharp – coc.nvim integration for fsharp-language-server
• torhovland/blazor-redux – Connecting a Redux state store with Blazor.
• CompositionalIT/SAFE-Dojo – An introductory dojo to learn how to develop full stack web applications in F#
• whitetigle/fable-redis – Fable bindings for redis.js

New Releases

• Ionide 4.0
• Flora.CssProvider 0.6.1
• FsLibLog 0.2.0
• NBomber v0.12.0
• XamarinForms.Reactive.FSharp 1.0.1.72

That’s all for now. Have a great week.

Previous F# Weekly edition – #25, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Overview of Azure Notebooks
• SpecFlow 3 is here!
• Create interactive documentation with the new Try .NET template
• The Evolving Infrastructure of .NET Core
• Dylan and the Linebreakers Oslo 2019

Videos & Slides

• F# MonoGame Platform Game Series: – Tiled backgrounds – Dave Thomas
• F# Code I Love – Don Syme
• The Functional Programming Toolkit (NDC Oslo 2019) – Scott Wlaschin

Blogs

• Making a tiny .NET Core 3.0 entirely self-contained single executable – Scott Hanselman
• Functional Queens – Bart Gevaert
• Hello world with Fable in 2019 – Florian Verdonck
• Home Grown IoT – Local Dev – Aaron Powell
• JavaScript-free Web Development with WebAssembly, Bolero, and F# – Brian Vanderwal

F# vNext:

• WIP: Package Management for FSI
• Fake target support -> Ionide 4.0
• F# Syntax Highlighting in nano
• New language sugestions:
  • Allow explicit type signatures for active pattern parameters
  • Allow attributes after the module keyword

GitHub projects

• JaggerJo/Avalonia.FuncUI – Develop cross-plattform MVU GUI Applications using F# and Avalonia!
• DieselMeister/Azure.Functions.SimpleAuthProvider – a very simple (non standard) auth provider for deploying on azure functions.

New Releases

• Fabulous 0.36.0
• Bolero 0.5 – updated to .NET Core 3.0-preview5!
• FSharp.Text.RegexProvider 2.1.0
• DurableFunctions.FSharp 0.5.0
• LinqOptimizer.FSharp 0.7.0
• Fable.Pixi 1.0.0-beta-001

That’s all for now. Have a great week.

Previous F# Weekly edition – #24, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing ML.NET 1.1 and Model Builder updates
• Announcing .NET Core 3.0 Preview 6
• Try the new System.Text.Json APIs
• Calling Infer.NET from F#
• Anonymous Records Docs
• Check out FableConf Agenda
• Fabulous: Add the Fabimals sample & Fabulous on the Watch (Tizen)
• Websharper: MVU Tic-Tac-Toe tutorial
• Trace .NET Core Applications on Linux with strace
• Visual Studio 2019 for Mac version 8.1

Videos & Slides

• Event Sourcing DIY – Intro, Domain Driven Design – S2E01 – Roman Sachse
• F# and Xamarin.Forms! Talking Fabulous with one of the lead maintainers Tim Lariviere
• Try the new System.Text.Json APIs!

Blogs

• Home Grown IoT Part 4 – Data Downloader by Aaron Powell
• Learning F# — A Simple Parser – Michael Kohl
• Implementing Sign In with Apple in ASP.NET Core – Scott Brady

F# vNext:

• CoreFX: Ensure JSON serializer/deserializer can handle common F# types
• emacs-lsp/lsp-mode: Add F# Language support
• New language sugestions:
  • Special inline active patterns that have an effect on exhaustiveness warnings
  • new System.IO.MemoryStream // Now without parentheses!
  • Patterns for self identifiers
  • Support C#-style Deconstruct method based pattern matching
  • Safe versions for built-in number conversion functions
  • Public [<Literal>]s as static members
  • Allow optional members to be inferred as part of signature when appropriate
  • Allow variable patterns for tuples in Discriminated Union matching

GitHub projects

• mikhailshilkov/pulumi-fsharp – Very experimental PoC of running Pulumi as F# CEs

New Releases

• FSharp.Compiler.Service 29.0.1
• F# mode for Emacs 20190609.1317
• FSharp.Text.RegexProvider 2.0.1
• MathNet.Numerics.FSharp.Signed 4.8.1

That’s all for now. Have a great week.

Previous F# Weekly edition – #23, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Supporting the community with WF and WCF OSS projects

Videos & Slides

• F# MonoGame Platform Game Series: – The camera – Dave Thomas
• Xamarin.Forms F# and Fabulous – Xamarin Forms Team
• ML.NET End-to-End 2: Building a Web API – Jon Wood
• Full Stack Web in F# – Tomasz Heimowski

Blogs

• Home Grown IoT by Aaron Powell
  • Part 1 – Prologue
  • Part 2 – Solution Design
  • Part 3 – Data
• Mere Functional Programming in F# – Kasey Speakman
• Adventures on pidigits benchmark and F# – Collin F.-D.
• Run with ML.NET C# code a TensorFlow model exported from Azure Cognitive Services Custom Vision – Cesar Delatorre
• WCF vs gRPC – Round 2 – Mark Rendle

F# vNext:

• New suggestion: Allow variable patterns for tuples in Discriminated Union matching 
• F# support for WinUI XAML
• dotnet/try: initial support for F#
• [WIP] [Prototype] Compilation Model
• Ioninde & FsAutoComplete:
  • Remove HTTP communication layer
  • Implement Background Service
  • FSCS: Remove FSharp.Compiler.Service.ProjectCracker

GitHub projects

• fsharplang-ru/pulsar-client-dotnet – Apache Pulsar Client for .NET
• JaggerJo/Avalonia.FuncUI
• fsharp/TryFSharp
• brianberns/Bernsrite.PowerSeries – Power series, power serious
• dmannock/learn_fsharp_in_x_minutes – An attempt at a very terse F# learning list
• bryanedds/Nu – Repository hosting the open-source Nu Game Engine and related projects.
• retendo/FSharp-CrossPlatform – This is a sample F# project that uses the SAFE stack for web frontend/backend and Fabulous/Xamarin for the iOS and Android mobile apps

New Releases

• ML.NET 1.1
• DependentTypes v0.4.0
• MiniScaffold 0.17.1
• FSharp.Data.TypeProviders 5.0.0.6
• BioFSharp 0.1.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #22, 2019

 

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Results of Applied F# Challenge 2019
• FSharp.Formatting is identifying maintainers

Winners of Applied F# Challenge

• Natallia Dzenisenka: Failure Detection and Consensus in Distributed Systems with F#
• Joerg Beekmann: Cloudflare Workers in F#
• Tim Forkmann: Juniper- a high level computation expression on top of the EPPlus excel package
• Aaron Powell: Creating Event-Based Workflows With Azure Durable Functions
• Daniel Hardt: An elmish wrapper around Miguel de Icaza’s Gui.cs including a fable-like view DSL
• Zaid Ajaj: F# Weekly mobile
• Marnee Dearman: F# for APRS (Automatic Packet Reporting System) protocol
• Peter Santoro: F# Out Of Necessity
• Ronald Schlenker: Digital Signal Processing with F#
• Nick La Rooy: Decentralized package managerfor C++ and friends, written in F#
• Dave Thomas: Applied Meta-Programming With Myriad And Falanx
• Serhii Zabashta: Layout engine for monochrome OLED displays in IoT applications written in F#
• Benedikt Venn: Automated logging and analysis of watertemperature data
• Jonathan Ott: An application to automatically count cells using wavelet transformation
• Ben Hall: Exploring Stem Cell Dynamics in F# and Python
• Paul Orland: Computational Group Theory in F#
• Kevin Schneider: Primer design for qPCR with F# and bioContainers
• David Zimmer: QConQuantifier- Computational proteomics using F#
• Patrick Blume: Gibbs-Sampler: motif search de novo or with prior knowledge
• Chris Pritchard: FSH – a shell, like CMD, Powershell or Bash, entirely written in F#
• Kevin Frey: Pathfinder Attack Simulator
• Wael El Oraiby: fs-parcer: 5M bid request/s, 2ms Max Response Time – The Road to Damascus (Online Advertisement)
• Sudipta Mukherjee: Microscopic traffic simulation using F#
• Kasey Speakman: Mere Functional Programming in F# (Structured Programming meets FP)

Videos & Slides

• Four Languages From Forty Years Ago (NewCrafts 2019) – Scott Wlaschin

Blogs

• Learning F# — Binary Search Tree – Michael Kohl
• Evaluating JS graph rendering for Jupiter F# – Alexander Prooks
• Build your own actors – Bartosz Sypytkowski
• Extending Saturn to support Basic Authentication – Aaron Powell
• Home Grown IoT – Prologue – Aaron Powell
• Exploring Folds: A Powerful Pattern Of Functional Programming – Zaid Ajaj
• Taking Stock of Anomalies with F# and ML.NET – codesuji
• ML.NET Model Lifecycle with Azure DevOps CI/CD pipelines – Cesar Delatorre

F# vNext:

• VS 2019 16.1 tooling performance
• FAKE with support for MSBuild 16 / VS 2019
• Future of Ionide brand

GitHub projects

• xoofx/CppAst – CppAst is a .NET library providing a C/C++ parser for header files powered by Clang/libclang with access to the full AST, comments and macros

New Releases

• FSharp.Compiler.Service 29.0.0
• Elmish.WPF 3.0
• Fable.Mocha v2.0
• Fable.MaterialUI v4
• Bolero 0.5 released — updated to Blazor and .NET Core 3.0-preview5
• BioFSharp just got its 0.1.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #21, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• The F# development home on GitHub is now dotnet/fsharp
• Roadmap to Ionide 4.0
• May Announcements for Fable
• Visual Studio 2019 version 16.1
• WinUI 3.0 roadmap – we need your input
• Welcome to the Shell Era: Xamarin.Forms 4.0 Released

Videos & Slides

• Languages & Runtime: .NET Community Standup – May 23, 2019
• A Look at the ML.NET Model Builder – Jon Wood
• Fabulous Functional Frontends – Mark Allibone

Blogs

• Domain Modeling Made Functional – ‏Logan Mortimer
• “5M bid request/s, 2ms Max Response Time – The Road to Damascus” using F# & libuv for high performance bidding at SamsungAds/adgear.com – Wael El Oraiby
• The Dangers of Task.Factory.StartNew – Sergey Teplyakov
• Profiling .NET Core Memory Traffic using JetBrains dotMemory – Steve Gordon
• WCF vs gRPC – Mark  Rendle

F# vNext:

• Update FSharp.Core to netstandard2.0
• FsAutoComplete: Refactor Symbol Cache
• Ionide Experimental v0.2.0 (signature search and big refactoring of the project system)

GitHub projects

• FSharp.Control.WebSockets – wraps dotnet WebSockets in FSharp friendly functions and has a ThreadSafe version.
• Thoth.Fetch – provides tried an easy to use API for working with Fable.Fetch and Thoth.Json. It supprots both manual and auto coders depending on your preferences
• Zaid-Ajaj/Elmish.AnimatedTree – An animated tree user interface made for Elmish applications

New Releases

• Fabulous 0.35 with Xamarin.Forms 4.0 support
• WebSharper 4.5.5 introducing dynamic templates
• Fable.ReactNative 2.0
• XamarinForms.Reactive.FSharp 1.0.1.71
• DurableFunctions.FSharp 0.4.0
• FSharp.Control.Websockets 0.2.0
• FSharp.Control.Websockets.TPL 0.2.0

That’s all for now. Have a great week.

Previous F# Weekly edition – #20, 2019

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• 2019 Board of Trustees Campaign
• The “Applied F# Challenge” submission deadline is soon. Don’t forget to submit a blog post or some other nice work you did.
• Default implementations in interfaces
• Performance Improvements in .NET Core 3.0
• Create Interactive .NET Documentation with Try .NET
• New Azure Search docs with F# samples
• eiriktsarpalis/dotnet-sdk-mono
• New book: Design Patterns in .NET (Reusable Approaches in C# and F# for Object-Oriented Software Design) by Nesteruk, Dmitri
• .NET Core Diagnostics Overview
  • Installing the diagnostics tools
  • App is leaking memory (eventual crash/hang)
  • App is running slow (due to high CPU)
  • App is experiencing intermittent memory spikes
  • App is hanging

Videos & Papers

• #fsharp #monogame F# Platform Game Series TEA and animated sprites – Dave Thomas
• Episode 25 – Blazor – You Want To Run .NET Where?! – Jamie Taylor
• Episode 12 – Function declarations – Immo Landwerth
• Machine Learning at Microsoft with ML .NET

Blogs

• Digital Signal Processing with F# – Ronald Schlenker
• F# infinite sequence to read console input – Jonathan
• ASP.NET Core: Saturating 10GbE at 7+ million request/s – Ben Adams
• Fsion – 0. Introduction – Anthony Lloyd
• Fsion – 1. Size – Anthony Lloyd
• Creating Strings with No Allocation Overhead Using String.Create – Steve Gordon
• Build your own WebAssembly Compiler – Colin Eberhardt

F# vNext:

• `dotnet fsi` can’t be started on Windows
• Remove concept of AppDomains from the GC

GitHub projects

• dotnet/fsharp – The F# compiler, FSharp.Core library, and tools for F#
• Zaid-Ajaj/ThrowawayDb – Dead simple integration tests with SQL Server or Postgres throwaway databases that are created on the fly, used briefly then disposed of automagically.
• hodzanassredin/FsForth – Implementation of forth programming language in fsharp for learning purposes.
• TheAngryByrd/Marten.FSharp – A set of FSharp wrappers around Marten
• Zaid-Ajaj/ThrowawayDb – Dead simple integration tests with SQL Server or Postgres throwaway databases that are created on the fly, used briefly then disposed of automagically.

New Releases

• Fabulous 0.34
• Hedgehog 1.0
• XamarinForms.Reactive.FSharp 1.0.1.69
• FSharpx.Collections 2.0.0 (netstandard2.0 compliant)
• FSharpx.Collections.Experimental 2.0.0 (netstandard2.0 compliant)
• MiniScaffold 0.16.2

That’s all for now. Have a great week.

Previous F# Weekly edition – #19, 2019