Sergey Tihon's Blog

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# Helpers for Azure DevOps
• Phillip’s office hours from Slack, 2018-09-18
• New version of Ionide is out with reference CodeLens
• Giraffe 3.0.0 with huge perf improvements for the GiraffeViewEngine and more
• Fable and TypeScript – Love Story or Forbidden Affair?
• Blazor 0.6 apps can be built in other .NET languages or without .cshtml files!
• Latest results of Zebra performance vs ASP.NET core
• Giraffe Documentation
• Writing a JIT Compiler in C#
• Announcing ‘Machine Learning .NET’ 0.5
• Announcing Azure Pipelines with unlimited CI/CD minutes for open source
• Azure Pipelines now available in GitHub Marketplace
• GitHub Pull Requests in Visual Studio Code
• Announcing .NET Core 2.2 Preview 2
• Performance of FASTER in C#
• The future of ASP.NET SignalR
• Get This Fantastic Book about .NET Memory Management!
• Xamarin.Forms 3.2.0 Released: Going Big with Little Things
• Updating your .NET project dependencies with Dependabot

.NET Conf 2018 + slides

• What’s new with F# 4.5 (slides)
• Machine Learning in .NET (ML.NET)
• AI for Every Developer
• Artificial Intelligence and Machine Learning for Every .NET Developer
• Keynote
• Welcome to .NET Conf 2018!
• What’s Coming to C#?
• Build Great Libraries using .NET Standard
• Latest Productivity Updates in Visual Studio 2017 Update 15.8
• Visual Studio for Mac Tips & Tricks
• Retro Computing with .NET
• 5 Azure Services Every .NET Developer Needs to Know
• Put your C#, VB and F# projects and packaging on a diet
• .NET Core CLI and Global Tools
• Azure DevOps for .NET Teams
• Building your Open Source projects with Azure Pipelines and Azure
• Azure Durable Functions for Serverless .NET Orchestration
• What’s New in Xamarin Forms?
• Blazor: Modern Web development with .NET and WebAssembly

Videos

• Making Mobile App Programming Simple With F# – Don Syme (feat. Jim Bennett)
• BDD in a Functional World – Chris Roff
• How to look like a statistician: a developer’s guide to probabilistic programming – Evelina Gabasova
• .NET Design Reviews: Hardware Intrinsics (Intel)
• TWC9: Azure DevOps Launch, .NET Conf 2018, GitHub PR Extension for VS Code, Mario Madness and more
• YOW! 2017 Ken Scambler – Adopting FP: A Human-First Approach

Blogs

• Introducing F# Analyzers – Krzysztof Cieślak
• Elmish Xamarin Forms from Fable point of View – ‏Kunjan Dalal
• F# – A trading strategy backtester #3 – Franco Tiveron
• Using MiniProfiler with FSharp – Akos Lukacs
• Information Accounting: Budget Your Code – Tiny Giant Books
• Build your first Web API with F#, Giraffe and host it on Azure Cloud – Aram Koukia
• Give me Monsters! (Part 5) – ‏Mathias Brandewinder
• Visual Studio 2017 v15.7 Brings F# Up to Par with C# – David Ramel
• Reporting data from ClickUp (or any) API in F# – Tamás Srancsik
• Replacing FAKE target strings with types – Julien Roncaglia
• OSS Build and Release with VSTS – Oren Novotny

F# vNext

• F# Language and Compiler Release Notes
• The F# TypeProvider SDK now has a template for creating a basic type provider and packaging it for all F# tooling including .NET SDK.
• Visual Studio 2017 version 15.8.5
  • Compiling non-.NET SDK style F# projects results in an internal MSBuild error unless MSBuild parallelism is set to 1.
  • F# is not NGEN’d in Visual Studio.
  • F# deploys the FSharp.Core 4.5.0.0 binary in the 4.4.3.0 location.
• New ideas:
  • Compiler warning when `obj` is inferred as a type
  • Allow results of `match!` to be bound
  • Adapt differentiated F# and vectors, matrices, tensors as core data types
  • Use on multiplae binding (`let x, y = …` compiles, but `use x, y = ..` not)
  • Generic struct type whose fields are all unmanaged types is unmanaged
  • remove type augmentation eviction notice
  • create an fsi.RemovePrinterTransformer method

Open source projects

• jet/falanx  – Generates F# code from proto3 definition files
• jimbobbennett/SqueakyAppLinuxAndMac – A version of the default Fabulous app template running on Linux and macOS
• lqdev/RemarkFS – FSharp Markdown Slide Creation Tool based on Remark
• DieselMeister/FSharpris – Tetris Clone in F#
• mavnn/elmish-tutorial – This tutorial teaches people how to use Fable, Elmish and Fulma to build a simple UI
• mvsmal/saturn-boilerplate – Boilerplate for Saturn project with FAKE 5
• Zaid-Ajaj/fabulous-simple-elements – An alternative view rendering API for Fabulous (Elmish Xamarin.Forms) that is easy to use and simple to read, inspired by Elmish on the web.
• nosami/SokobanFabulous – Sokoban game for iOS and Android written in F# using Xamarin Fabulous framework
• CompositionalIT/SAFE-Dojo – An introductory dojo to learn how to develop full stack web applications in F#
• fsharplang-ru/Fable.SemanticUI – React.SeamanticUI to Fable bindings

New Releases

• Giraffe 3.0.0
• SQLProvider 1.1.52
• Fantomas 2.8.1
• MiniScaffold 0.12.0 is out with support for scaffolding of console apps
• WebSharper 4.5.2
• Hopac v0.4.1
• FSharp. Data. Npgsql 0.1.44-beta
• Linq. Expression. Optimizer 1.0.12
• Rider 2018.2.3
• Fable. MaterialUI 1.3.2

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

Previous F# Weekly edition – #36, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Introduction to Azure Durable Functions
• Numbers in Fable
• WebSharper 4.5 released
• WebSharper.React: new and improved!

Videos

• BDD in a Functional World | CukenFest London | Chris Roff
• YOW! 2017 Ken Scambler – Adopting FP: A Human-First Approach
• Making mobile apps simple with F# – Don Syme
• Do you even type, Bro? – Youenn Bouglouan

Blogs

• F# Microservice Patterns @ Jet.com – James Novino
• Property-Based Security Testing in F# — bringing developers and security closer to each other – Stijn Moreels
• Outside-in TDD with F# – Erik Sacré

F# vNext

• FSharp. Compiler. Tools for F# 4. 5
• New ideas:
  • Code Quotations to fail during compilation or to support unmanaged pointers, not to fail during runtime

Open source projects

• fsprojects/Fabulous – F# Functional App Development – Elmish for Xamarin.Forms
• jimbobbennett/Awesome-Fabulous – A hand-curated list of awesome resources when using Fabulous
• Tarmil/awesome-websharper – Awesome links for WebSharper
• dburriss/Fucturizr -A DSL for working with Structurizr
• 17cupsofcoffee/AkkaMUD – Building a MUD in F# and Akka.NET
• Zaid-Ajaj/ElmCounterWPF – Pure F#/Xaml counter using Elmish.WPF and XAML type provider
• TimLariviere/ElmishPlanets – F# / Elmish.XamarinForms / UrhoSharp
• TheAngryByrd/dotnet-mono – dotnet utility to run .net full apps using mono on OSX/Linux

New Releases

• FSharp. Compiler. Tools 10.2.1 (for F# 4. 5)
• Expecto v8.3.0
• Fable 2.0.0-beta-003
• MiniScaffold 0.11.0 is out with FAKE 5 support
• Marten.FSharp 0.4.2

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

Previous F# Weekly edition – #35, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET Standard 2.1
• WebSharper.React: new and improved!
• .NET Foundation August Update
• .NET Framework August 2018 Preview of Quality Rollup

Videos

• F# and Fable: re-think web development – Maxime Mangel
• Solving Rubik’s Cubes with F# – Stachu Korick
• Windows Compatibility Pack with Immo Landwerth
• PerfView: The Ultimate .NET Performance Tool by Sasha Goldshtein
• Functional Application Designing [Integrated Course by Onur Gumus]

Blogs

• Watching files with FAKE 5 – Florian Verdonck
• Things VsCode Didn’t Tell Me About Programming in F# – Daniel Markham
• Using the New Xamarin.Forms Controls Toolbox – Maddy Leger
• Replacing Entity Framework Classes With Record Types – Jamie Dixon
• Adding SourceLink to your .NET Core Library – Carlos Mendible
• F# – A trading strategy backtester #2 – Franco Tiveron
• Fuzzing the .NET JIT Compiler – Matt Warren
• Deep-dive into .NET Core primitives, part 2: the shared framework – Nate McMaster

F# vNext

• New ideas:
  • Lift byref generics restrictions for inline functions
  • Reduce code duplication between signature and code files

Open source projects

• isaksky/Incremental.NET – A library for incremental computations. Based on janestreet/incremental (https://github.com/janestreet/incremental) for OCaml.
• TimLariviere/ElmishPlanets – F# / Elmish.XamarinForms / UrhoSharp
• demetrixbio/FSharp.Data.Npgsql – F# type providers to support statically typed access to input parameters and result set of sql statement in idiomatic F# way. Data modifications via statically typed tables.

New Releases

• dotnet- fantomas 2.8.0
• giraffe- template 0.18.0
• FAKE 5.5.0
• New Fable 2 beta
• fable-loader 2.0.0-beta-001 with compatibility with BabelJS 7

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

Previous F# Weekly edition – #34, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET Core declared LTS!
• Bing.com runs on .NET Core 2.1!
• Book: Imperative to Functional Programming Succinctly by Marc Clifton
• Book: Rider Succinctly by Dmitri Nesteruk
• This fall the F# Software Foundation Mentorship Program returns in its 5th round!
• Upcoming SAFE events calendar
• Rider 2018.2 is released

Videos

• Domain Modeling Made Functional – Scott Wlaschin

Blogs

• Monitoring and Observability in the .NET Runtime – Matt Warren
• Abstracting IO using F# – James Novino
• SAFE Part 2: Delete – Christophe Moinard
• Microsoft Announces F# 4.5 – Abhay Dixit
• Types are Small – Chris Krycho
• DAG – An Immutable Spreadsheet Data Structure – Anthony Lloyd
• Stupid F#: Taking JSON to the SPA 3 – Daniel Markham
• Playing with Fable and the SAFE Stack – Dave Shaw

F# vNext

• New ideas:
  • Make it illegal to pass a temporary ref-cell as byref

Open source projects

• fsprojects/awesome-fsharp – A curated list of awesome F# frameworks, libraries, software and resources.
• DieselMeister/MyCryptoPortfolio – Manages your crypto portfolio on your phone. Written in F#, Xamarin and Xamarin.Elmish.
• lukemerrett/FluentGraphite – Fluent API for building Graphite Queries

New Releases

• F# Helpers for VSTS
• Legivel 0.2.1
• Infer.NET v2.7

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

Previous F# Weekly edition – #33, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing F# 4.5
• Visual Studio 2017 version 15.8
• .NET Core SDK 2.1.400 Update
• Rider 2018.2 Release Candidate

Videos

• Immutable application deployments with F# Make – Nikolai Norman Andersen

Blogs

• Building WebComponents with Fable – Elmish – React – Daniel Hardt
• F# – A trading strategy backtester #1 – Franco Tiveron
• The Page Module Model with F# and Canopy – Devon Burriss
• Building an MVP with F# and Saturn – Krzysztof Cieślak
• Stupid F#: Taking JSON to the SPA 2 – Daniel Markham
• How to create a .NET Core F# application and generate executables for multiple operating systems – Paul Silisteanu
• Give me Monsters! (Part 4) – Mathias Brandewinder
• Creating a Slack bot with F# and Suave in less than 5 minutes – Dustin Moris Gorski
• Introduction to Data Science using F# and Azure Notebooks – Lee Stott
• F# 4.5 Arrives with Span Support, Aligning with .NET Core 2.1 – David Ramel

F# vNext

• FSC – 15.8 – Not ngen’ed
• Where should F# and FSharp.Core release notes live?
• New ideas:
  • Add Async.withCancellation
  • Allow attributes for discriminated union case fields

Open source projects

• TimLariviere/ElmishContacts – Sample contact manager app entirely written in F# and Elmish.XamarinForms
• mrakgr/The-Spiral-Language – Functional language with intensional polymorphism and first-class staging.
• ilmaestro/FsLamp – An F# Text Adventure game engine.

New Releases

• Expecto v8.2.2
• VS Code July 2018 (version 1.26)
• FusionTasks 2.0.2
• Giraffe 2.0
• FsConfig 2.0.2

 

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

Previous F# Weekly edition – #32, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing ML.NET 0.4
• Play Pacman in new Fable REPL
• SAFE Events page
• fsharp.org re-design: we need your input!
• Are your Windows Forms and WPF applications ready for .NET Core 3.0?

Videos

• Rethinking Compilers With Live Coding – Tomas Petricek
• Actors in clusters: why, when and how – Pawel Banka, Vagif Abilov
• The F# Path To Relaxation – Don Syme
• Tic-Tac-Toe in F# – Michael Gilliland
• IO Monad For Pure Code (Tic-Tac-Toe in F#) – Michael Gilliland
• Easy Tic-Tac-Toe “AI” in F# – Michael Gilliland

Blogs

• Opinionated Fable2 – Architecture & Performance – ‏Kunjan Dalal
• Stupid F#: Taking JSON to the SPA 1 – Daniel Markham
• F# 4.5 Brings Spans, Match!, and More – InfoQ by Sergio De Simone
• Pure times – Mark Seemann
• A Tree functor – Mark Seemann
• Challenges of post-OSS world – Krzysztof Cieślak

F# vNext

• Nullable Reference Types
• Where should F# and FSharp.Core release notes live?
• Collectible Assemblies and the CLR is planned for .NET Core 3.0.

Open source projects

• rflechner/SwaggerForFsharp – Swagger for F# tools
• stijnmoreels/FSec – Security testing library written in F# to make writing security tests more fun
• Amyris/AmyrisBio – Amyris F# Computational Biology Library
• chimayo/chimayo – Library for creating and manipulating SQL Server Integration Services packages with F# code

If you want to document an API built in #fsharp and Giraffe then you can try github.com/rflechner/Swag… https://t.co/jmYUgGUw1k—
Flechner Romain (@rflechner) August 06, 2018

New Releases

• Deedle 2.0.0-beta01 and Deedle.Excel 2.0.0-beta01 (netstandard2.0 support)
• ML .NET 0.4
• WebSharper 4.5

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

Previous F# Weekly edition – #31, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Introducing Fable 2.0 beta
• Tiered Compilation Preview in .NET Core 2.1
• Open Source Community Powers New F# 4.5 Preview
• Is Microsoft serious about F#?
• F# Active pattern library for Roslyn Compiler Platform (C#, VB)

Blogs

• Using OAuth with Saturn – Krzysztof Cieślak
• Opinionated Fable – Architecture & Performance – Kunjan Dalal
• Give me Monsters! (Part 3) – Mathias Brandewinder
• Why you should use FAKE 5 – Tomasz Heimowski
• How I Use VS Code for Code Highlighting in My Blog – Stuart Lang
• Managed vs Unmanaged code and interop – Michal Franc
• Hosting services in .NET Core console application – Peter Groenewegen

Open source projects

• nojaf/elmish-component – dotnet template for scaffolding Elmish component.
• Zaid-Ajaj/Elmish.SweetAlert – SweetAlert integration for Fable, made with ❤️ to work in Elmish apps.
• kekyo/Microsoft.CodeAnalysis.ActivePatterns – F# Active pattern library for Roslyn Compiler Platform (C#, VB)
• mastoj/Fable.Import.Firebase – Bindings for firebase.

New Releases

• WebSharper 4.4.1
• Ionide with new tooltips
• New release of Html to Elmish
• FsUnit 3.2.0

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

Previous F# Weekly edition – #30, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing F# 4.5 Preview
• Visual Studio 2017 version 15.8 Preview 5
• Discussion: MVU architecture gives feedbak loop when UpdateSourceTrigger=PropertyChanged and update loop is sufficiently slow
• Chiron 7 vs Newtonsoft on netcoreapp2.0

Videos & Slides

• Why you should use F# – Phillip Carter
• The Power of Composition – Scott Wlaschin
• Build your own Excel 365 in an hour with F# – Tomas Petricek
• Reinventing MVC pattern for web programming with F# – Krzysztof Cieślak
• Tabs, spaces and salaries: a data science detective story – Evelina Gabasova
• WTF# is the SAFE Stack? – Stachu Korick & Isaac Abraham
• F# Live Coding with Mihai-Sorin Mecu

Blogs

• Introducing Saturn on Functions – Krzysztof Cieslak
• Understanding Suave In F# Using Integers – Zaid Ajaj
• Current state of Web Programming in F# – Kunjan Dalal
• Elmish on the server — Introducing Elmish.Bridge – Diego Esmerio
• Give me Monsters! (Part 1) – Mathias Brandewinder
• Give me Monsters! (Part 2) – Mathias Brandewinder
• But Will It Play In Peoria? (Running F# as a Plain Vanilla CGI app) – Daniel Markham
• But Will It Play In Peoria? Part 2 (Running F# as a Plain Vanilla CGI app) – Daniel Markham
• Xsd type provider and nillable elements – Giacomo Citi
• Selected Elements – Сhen Сhinghua
• Recursion — How to overflow the stack and how not to – Vijesh Salian
• checkboxes with Suave.IO, using dotliquid tamplates – Tonino Lucca
• Pattern Matching F# Union Types in C# 7 – Stuart Lang

Open source projects

• kunjee17/functional-cat – Cat API using Elmish.XamarinForm
• Zaid-Ajaj/tabula-rasa – Minimalistic real-worldish blogging platform, written entirely in F#, made as a learning a reference for building large Elmish apps
• Nhowka/Elmish.Bridge – Create client-server Fable-Elmish apps keeping a single mindset
• Dzoukr/OpenAPITypeProvider – F# type provider for Open API specification
• stijnmoreels/FSec – Security testing library written in F# to make writing security tests more fun

New Releases

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

Previous F# Weekly edition – #29, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Saturn landing page is live!
• ts2fable online version is now available!
• fsharp.org website re-design: we need your input!
• Probabilistic programming in python, R & F#
• Elmish.XamarinForms Guide
• Notes and Guidance on FSharp.Core
• .NET Core Code Coverage as a Global Tool with coverlet
• Announcing .NET Framework 4.8 Early Access build 3632

Videos & Slides

• Building mobile apps with F# using Xamarin – Jim Bennett – Xamarin University Guest Lecture
• LiveUpdate with Elmish.XamarinForms – Jim Bennett
• Writing a 15-Minute F# Talk in 4 Hours, Part 1 – Stachu Korick
• A gentle introduction to F# – Klaras Parlor by Roman Sachse
  • Episode 9 – Currying
  • Episode 10 – Options

Blogs

• Magic of Saturn controllers – Krzysztof Cieslak
• Code Prediction with Neural Networks – Frank A. Krueger
• F# in 2018? – Roman Provazník
• The #FSharp way: how to write a log – giuliohome
• Elmish’s program.mkSimple versus program.mkProgram – Joshua Harms
• Selected Elements – chenchinghua
• Recursion — How to overflow the stack and how not to – Vijesh Salian
• Programming In F# Like A Stupid Person – Tiny Giant Books
• Donkey-Pong using Xamarin – Sandeep Chandra
• checkboxes with Suave.IO, using dotliquid tamplates – Tonino Lucca

F# vNext:

• Zebra merged into TechEmpower/FrameworkBenchmarks
• Plan for updating FsLab

Open source projects

• Acadian-Ambulance/vinyl-ui – Framework for F# Desktop Applications

New Releases

• Akkling v0.9.3
• Rider 2018.2 EAP4 (dotCover is finally part of Rider)

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

Owl image is taken from findmesomewifi.com

Previous F# Weekly edition – #28, 2018