Sergey Tihon's Blog

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Take a Break with Azure Functions
• Open Source .NET – 3 years later

Videos & Slides

• Live coding FSharp Advent of Code 2017 Puzzle Day 10 part 1 and 2 in F# TDD style
• Workflows of Domain Driven Design using F# – Scott Nimrod

Blogs

• Triplets: family of functional programming languages – in the same web project – Paweł Stadnicki
• Reflecting on F# in 2017 – Phillip Carter
• Working with IoT Edge in F#  – Anthony Brown
• Akkling – the unofficial official Akka.NET F# API – Vagif Abilov‏
• fun-ny Faces : Face-based Augmented Reality with F# and the iPhone X – Larry O’Brien
• Serving SPAs –  Adam Granicz‏
• .Net Core 2.0 Performance Notes Revisited – Anthony Lloyd
• Baby steps with CNTK and F# – Mathias Brandewinder
• WebSockets with Giraffe and F# – David Sinclair
• Plugging in Elm and Suave with websockets on .NET Core 2.0 –
  Marnee Dearman
• Suave websocket server with a continuous feed – Marnee Dearman
• Monkeying Around: Fun with Trees – John Azariah
• F# 2017 Retrospective – Sergio De Simone
• Why I got hooked on F# – Devon Burriss
• WebSockets with Giraffe and F# – David Sinclair

F# vNext

• F# Tooling RFC FST-1004 – Versioning

Open source projects

• SAFE-TodoList – The simplest Todo app showcasing a client-server application written entirely in F#
• azure-functions-fsharp-examples – Examples of Azure Functions implemented in F#

New Releases

• WebSharper 4.1
• Gjallarhorn.Bindable 1.0.0-beta6
• DependentTypes 0.0.4
• FsRegEx 0.7.1

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

Previous F# Weekly edition –#52

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Do not miss NEW Fable REPL!
• C# – All About Span: Exploring a New .NET Mainstay
• Giraffe Nightly builds and NuGet feed

Videos & Slides

• Implementing an Event Driven Microservices Architecture in F# – Nikhil Barthwal

Blogs

• Using FAKE to automate building MonoGame content (and draw some fractals) – Mark Pattison‏
• Adding our first feature to Ionide – Julien Roncaglia
• Splitting Date Ranges – Tomasz Heimowski‏
• Indian Chaat with F# – Kunjan Dalal‏
• Dependency Management & Injection (3 + 1 Solutions revisited) – Robert Kuzelj
• An introduction to state-based CRDTs – Bartosz Sypytkowski‏
• Statistical analysis using F# and Jupyter notebooks – Tomasz Jaskuλa‏
• Extending the Giraffe template with different view engine options – Dustin Moris Gorski‏
• Serializing your domain model – Scott Wlaschin‏
• F# Advent Day of Code: Modeling types to prevent bugs – Elliott V. Brown
• Santa’s Super Sorter: Naughty or Nice? – Riccardo Terrell
• Assert On Steroids – Dmitry Morozov
• Getting Started with Fable PixiJS – Mike Janger‏
• Answering the phone, functionally – David Glassborow
• The Lord of the Rings: An F# Approach – MokoSan
  • An Introduction of the Blogposts
  • The Path of the Hobbits
  • The Path of the Wizard
  • The Path of the King
• Monkeying Around : Fun with Trees – John Azariah
• F#: How to check that tail recursion calls are optimised – Alex Netkachov
• Build A DeepLearning Algorithm From Scratch In F# 02 – Planar Data Classification With One Hidden Layer –  Mathieu Clerici
• Functional F# that slowly appears in C# – Alexey Sommer
• F# with .NET Core 2.0.4 and SqlProvider – David Sinclair
• JSON Web Token with Giraffe and F# – David Sinclair

F# vNext

• New ideas:
  • Open up Microsoft.FSharp.Collections.IEnumerator

Open source projects

• NFastText – Library for efficient learning of word representations and sentence classification
• StrongNetCoreConfig – True strongly type Net core configuration access
• fsharp-hedgehog – Hedgehog will eat all your bugs
• giraffe-template – A dotnet new template for Giraffe web applications
• SAFE-template – dotnet CLI template for SAFE project
• Fable.Thot – Thot is a set of several libraries for working with Fable applications

New Releases

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

Previous F# Weekly edition –#51

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• FSharp Software Foundation is now over 2000 members strong
• New samples of using F# with ProtoActor, Kubernetes, and DockerCompose
• Microsoft’s Quantum Development Kit is now available
• LUIS and the Azure Bot Service have just hit GA

Videos & Slides

• Devnology Podcast 050 – Scott Wlaschin

Blogs

• A fable of Web MIDI – Martin Gondermann
• An argument for functional programming – Devon Burriss‏
• Polymorphwhat? – Paweł Bańka
• Say hello to Avalonia – Evgeniy Andreev‏
• Happy Fezmas (or Getting started with Fez) – Karl-Johan Nilsson‏
• Current state of F# 4.x tooling and IDE ecosystem on December 2017 – Eriawan Kusumawardho
• Implementing the A in SAFE with the Azure CLI – Jeremy Abbott
• Some advice to F# beginners – Pierre Irrmann‏
• The soccer player best suited to be Santa Claus – Martin Andersen‏
• The Social Transf#ormation of Software Development –  Jamie Dixon
• Building Better Learning Resources – Ian Russell‏
• Christmas Trees in WPF, 2017 Update – Reed Copsey, Jr.
• Hyperoperation via F# – Cole Dutcher
• Let’s Get Jammin’ – Tom Prior‏
• Generic Programming Made Easy – Tamizh Vendan
• Building an Application’s Server with F# – Scott Nimrod
• Build A DeepLearning Algorithm From Scratch In F# 01 – Logistic Regression With A Neural Network Mindset – Mathieu Clerici
• Querying Last.fm Web API With F# – Bohdan Stupak
• Migration from old format of cs/fsproj to the new one – Michał Niegrzybowski
• F# with .NET Core 2.0.4 and SqlProvider – David Sinclair
• Notes from the San Francisco F# Dugnad – Mathias Brandewinder

F# vNext

Open source projects

• MakeYourOwnNeuralNetwork – Code associated with book “Make Your Own Neural Network”
• Giraffe.Tasks – A task computation expression to work natively with .NET’s Tasks from an F# application
• FSharp.CloudAgent – Allows running F# Agents in a distributed manner using Azure Service Bus
• CopyButler – Little Mac app to turn your clipboard into a stack
• MonoDevelop.MSBuildEditor – Improved MSBuild editing support

New Releases

• Gjallarhorn.Bindable 1.0.0-beta5
• Giraffe. Tasks 0.1.0-beta-010

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

Previous F# Weekly edition –#50

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Welcome, ionide.io/docs!
• F# Tooling Improvements in VS 2017 15.5
• Visual Studio 2017 Version 15.5, Visual Studio for Mac Released
• Visual Studio 2017 Version 15.6 Preview
• Starting F# with Fable: difficulties
• Giraffe has moved to an org on GitHub now.
• The experiment in bringing dependent types to F#

Videos & Slides

• dotnet new vscode – Cameron Taggart
• F# Advent of Code 2017 by Michael Gilliland
• #85 Mark Seemann, Dependency Rejection, Part 2

Blogs

• Reading From the Firehose With Fable –  Michael Newton
• Precompiled Azure Functions in F# –  Mikhail Shilkov
• WTF# is going on in the F# world? – Stachu Korick‏
• Over 5 Years of F# –  Jon Nyman
• F#Unctional Londoners Meetup Activity – Phillip Trelford
• FableConf: Where the magic happened – Alfonso Garcia-Caro
• Bloom Filter Sort (bfsort) – Ramón Soto Mathiesen
• Merry Christmas Fable Community! – François Nicaise
• An argument for functional programming – Devon Burriss‏
• Polymorphwhat? – Paweł Bańka
• F# Through a Ruby Lens – Michael Newton‏
• Swift 4: the Good, the Bad and the Lame – Radek Micek
• Working with Azure Resource Manager in F# – Compositional IT
• Tale about the tail call in dotnet – George Plotnikov
• Debug F# with sdb! – callmekohei
• Logging Freya – Michael Newton‏
• Building a Twitter Bot: Part 2 (Finish it all up) – Elliott V. Brown

F# vNext

• Visual F# features planned for VS 2017 15.6
• New ideas:
  • Allow object expression without overrides
  • Allow to define arbitrary constructors within type constraints
  • Add Option.ofDefault
  • Allow for wildcards in type constraints for generic types

Open source projects

• protoactor-fsharp – FSharp wrapper on top of proto.actor
• FSharp.Json – JSON Serialization Library
• docker-fsharp-mono-netcore – Docker image for F# with mono and .NET Core toolchains
• cathoristic-logic – F#/Clojure implementation of Cathoristic Logic
• fable-elmish/react – Elmish React extensions for writing SPA and Native apps
• SAFE-template – dotnet CLI template for SAFE project
• DependentTypes – experiments with @robkuz LimitedValue type
• ConstraintTP – Constraint Type provider is a Type provider that provides constraints over F# Types.

New Releases

• Argu 4.0.0 with NetStandard 2.0 support
• FSharpPlus 1.0.0-CI00091 with NetStandard support
• Giraffe 0.1.0-beta-400
• Proto. FSharp 0.0.2-beta
• FSharp. Data. HList 0.2.0

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

Previous F# Weekly edition –#49

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• A vision for F# from Henrik Feldt‏
• Starting F# with Fable: difficulties
• How Jet Built a GPU-Powered Fulfillment Engine with F# and CUDA
• F# Advent Calendar 2017 has already begun
• Do not miss Advent of Code 2017

Videos & Slides

• Hacking F# in JS ecosystem – Krzysztof Cieslak
• Intro to Naive Bayes Classification in F# – Michael Gilliland
• F# Active Patterns Encourage Clean Functions – Michael Gilliland
• Mimic F# Pattern Matching in C# – RPDevJesco
• Intro to Count-Min Sketch in F# – Michael Gilliland

Blogs

• Introducing F# Functional Programming on ASP.Net Core through Giraffe – Nishtha Singh
• F# Now Targets .NET Core Projects in Visual Studio – David Ramel
• dotnet new vscode – Cameron Taggart
• Getting started with programming and getting absolutely nowhere (Part 20) – Elliott V. Brown

F# vNext

• Enrico Sada is working on paket on .net core and need your help
• New F#-lang and tooling RFCs:
  • F# RFC FST-1027 – FSI Reference Model and extending #r
  • F# RFC FS-1041 – Implement IReadOnly* interfaces throughout FSharp.Core
  • F# RFC FS-1042 – (Add Transpose to Seq, List and Array)
  • F# RFC FS-1043 – Extension members should be available to solve operator trait constraints
• New ideas:
  • Expose ItemX, Rest on tuples and provide universal accessor functions in the corlib
  • Make “ModuleSuffix” the default if a type has the same name even if it’s generic

Open source projects

• Newtonsoft.Json.FSharp – Nice F# support for Newtonsoft.JSON – tuples as arrays, maps as objects, lists as arrays, unions as _name-metadata annotated arrays, decimals as strings to save precision, options as null/value, string-GUIDs and finally BigInt support
• Ooui – A small cross-platform UI library that brings the simplicity of native UI development to the web

New Releases

• Expecto v5.1.0
• SwaggerProvider 0.10.0-alpha4
• Akkling v0.8
• Ooui. Forms 0.3.99

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

Previous F# Weekly edition –#48

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• New book “Domain Modeling Made Functional” is published!
• Visual Studio 2017 15.5 Preview Adds F# Core & Standard Support
• XamarinWorkbooks is now open source
• Rider 2017.3 Early Access Program is open
• The First C# Advent Calendar
• Live updated test explorer for Ionide
• Conference Report of FableConf
• .NET Core has a nice and fast way to implement GetHashCode

Videos & Slides

• The Gamma: Democratizing data science – Tomas Petricek
• The mysterious correlation: a detective story – Evelina Gabasova
• Intro to Bloom Filters in F# – Michael Gilliland
• Get started with .NET Standard 2.0 – Ted Neward
• Functional Killed the OOP Star (v3.0) by Tom Pittman

Blogs

• How to create an http2 app in F# – Cameron Taggart
• How to reduce false negative in software testing! – Clément Boudereau
• Setup basic CI/CD for a Suave .Net Core 2.0 application running on an Azure App Service – Part II – Eelco Mulder
• Introduction To Suave With F# – Arthur Le Meur
• Why F# – Rachel Reese
• Quickstart WPF F#-only app in VSCode – Part 2 – Alex Netkachov

F# vNext

• Any volunteers to dive in and add F# support to these beautiful workbook tools?
• F# ppl – please test/trial this tailcall performance diagnoser, added to BenchmarkDotnet by George Plotnikov
• New F#-lang and tooling RFCs:
  • RFC FS-1040: Bug Fix for compiling matches against enums, now throws FS3191
  • F# Suggestion FSS-0001 – Support for converting a String to an Option
• New ideas:
  • Remove self binding in member declarations when not used: `member __.P = expr` > `member P = expr`
  • Allow defining custom literal syntax for creating collections
  • Implement IReadOnly interfaces on relevant F# collections throughout FSharp.Core
  • Add isOk and isError to the Result type
  • Map and `dict` should implement `IReadOnlyDictionary<‘Key,’Value>`

Open source projects

• rewrap – Rewrap extension for VSCode and Visual Studio
• shed – .NET runtine inspector
• SpiseMisu.Minecraft – Minecraft client written entirely in #fsharp

New Releases

• Fable 1.3.2
• SwaggerProvider 0.10.0-alpha2
• Giraffe 0.1.0-beta-300
• Persimmon 3.1.1
• Ionide 3.13.0

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

Previous F# Weekly edition –#45-#47

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing F# support for .NET Core and .NET Standard projects in Visual Studio
• Rider’s F# plugin is now open source
• Visual Studio 2017 version 15.5 – Preview Release Notes (F# for .NET Core are officially supported)
• Check out the all new @dotnet home page!
• F# Software Foundation News – Q3 2017 Edition
• The F# Mirror: Board member plans for the winter
• F# Advent Calendar 2017
• LambdUp: Prague’s biggest functional programming event of the year
• Welcome to C# 7.2 and Span
• Introducing Nullable Reference Types in C#
• Announcing the Windows Compatibility Pack for .NET Core
• Introducing Tensor for multi-dimensional Machine Learning and AI data
• Mono’s New .NET Interpreter
• Xamarin Workbooks is open sourced
• .NET Core November 2017 Update
• Modernize existing .NET apps with Windows Containers and Azure
• Pivotal Contributes Steeltoe to the .NET Foundation

Videos & Slides

• Binding Redirects – Immo Landwerth
• Passing and returning functions in F# – Casual F# with Kit Eason
• DevOps for Everyone with Donovan Brown and Damian Brady
• NDC Sydney 2016 – Ask Me Anything! with Mark Seemann (C# vs F#, Functional Programming, Unit Testing)
• The Cynical Developer Episode 49 – What is F#? with Mårten Rånge
• Faking Typeclasses in F# (Monoid Example) – Michael Gilliland
• How do we make code fun and more intuitive? – Ramón Soto Mathiesen
• What’s new in C# – Mads Torgersen
• C# 7.2: Understanding Span – Jared Parsons
• Introducing Visual Studio Live Share – Chris Dias, Dan Fernandez, Amanda Silver
• .NET Framework 4.7.1 improvements – Jeff Fritz
• The Gamma: Democratizing Data Science – Tomas Petricek
• Would Aliens Understand: Lambda Calculus? – Tomas Petricek

Blogs

• Episerver UI tests with canopy – Māris Krivtežs
• Combining Suave and Azure Storage – Anders Kofoed
• Visualizing performance tests execution times – Michał Niegrzybowski
• F# – Idiomatic Huffman Coding – Ramón Soto Mathiesen
• Functional Factory – Daniel Oliver
• Increasing the level of de-obsfucation – Elliott V. Brown
• How to test CSV files content in end-to-end testing – Michał Niegrzybowski
• ts2fable 0.2.0 written in F# – Cameron Taggart
• ts2fable 0.3.0 generating comments – Cameron Taggart
• Querying Last.fm web API with F# – Bohdan Stupak
• Exploring Azure Container Instances and Web App for Containers – Lena Hall
• Azure F#unctions Talk at FSharping Meetup in Prague – Mikhail Shilkov
• Going Down the Property Based Testing Rabbit Hole – Michael Newton‏
• How close are two words? – Elliott V. Brown
• Quickstart WPF F#-only app in VSCode – Alex Netkachov
• This tutorial will get you started with Azure service bus, dotnet core and F# – Jan Tourlamain
• Documentation: it’s really important – Elliott V. Brown

F# vNext

• Mixed F#/C# solutions now work in VS Code thanks to this recently merged PR to OmniSharp
• If you want (.Prop) or _.Prop added to F# as first-class property accessors please react to this comment to express a preference
• New F#-lang and tooling RFCs:
  • F# RFC FS-1039 – Struct representation for active patterns
  • F# Tooling RFC FST-1001 – FSharp.Core delivery via NuGet packages
  • F# Tooling RFC FST-1002 – Support for F# in the dotnet sdk
  • F# Tooling RFC FST-1003 – Loading Type Provider Design-Time Components into F# Tooling
• New ideas:
  • infer module kind from its input
  • A normative immutable array type
  • Better record construction syntax for optional values

Open source projects

• fsharp-support – F# support in JetBrains Rider
• visualfsharpdocs – Documentation for Visual F#
• CNTK.FSharp – F# utilities to make the CNTK .NET API pleasant to use from the F# scripting environment
• fsharpstation – An editor for FSharp Development, powered by Chrome, WebSharper & CodeMirror
• SAFE-BookStore – Working sample of a Suave + Azure + Fable + Elmish aka SAFE-Stack project with hot reloading
• fable-validation – An isomorphic validation library for Fable/F#, inspired by elm-validate
• ConfPlanner – SAFE CQRS sample project
• RogueText – A .NET natural language library for rogue-like game engines

New Releases

• Fable 1.3.0
• SwaggerProvider v0.9.0 with new TypeProvider.SDK
• FSharp. Azure. StorageTypeProvider 1.9.5 (hot schema loading)
• Unquote 4.0.0 released with support for NetStandard 2.0
• Hedgehog 0.6.0
• Persimmon 3.0.0
• TaskBuilder. fs 1.0.0
• Legivel 0.1.0
• Fez First Alpha
• New release of Ionide. Adding autocomplete for external (unopened namespaces/modules) symbols, background project parsing and more!
• VSCode 1.18
• Rider 2017.2.1 is released with sweet new F# features

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

Previous F# Weekly edition –#44

 

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET Core Performance Profiling with Intel® VTune™ Amplifier 2018

FableConf 2017

• Behind the scenes of Fable: Babel – Sven Sauleau
• Building editor tooling with Fable – Krzysztof Cieślak
• Elmish: the foundation your Web or Native applications deserve – Eugene Tolmachev
• Thinking Feeling Acting agents – Indy M.
• How Fable helps me to spend more time with my children – François Nicaise + Bonus
• Hink: Write Web applications without CSS – Maxime Mangel
• Towards a new way of collaboration – Alfonso García-Caro

Videos & Slides

• dotnet xunit getting better – Cameron Taggart
• Suave – zero to hero of HTTP APIs – Henrik Feldt

Blogs

• Introduction to Azure IoT with Fsharp – William R. Berry III
• Parallel K-Means Clustering with reducer function – Riccardo Terrell
• Validation pattern with FSharpx.Extras (with Setup instructions for Ubuntu) – Oscar Vargas Torres
• F# – Welcome to the RealWorld, baby (+Don notation) – Ramón Soto Mathiesen
• When Readability Meets Abstraction –  Stijn Moreels
• POSTing to Freya – Michael Newton
• Combining Suave and Azure Storage – Anders Kofoed
• RouteMaster : Master Your Messaging Routes – Michael Newton
• Building a list of several candidates – Elliott V. Brown
• Scaling Event-Sourcing at Jet – Lev Gorodinski

F# vNext

• dotnet/cli – update fsharp compiler for preview release
• FsAutoComplete – Improve parsing of fproj project (new sdk)
• Merged: Make FCS build work in visualfsharp repo
• New ideas:
  • suggest: Tuple Field Metadata
  • Usual .NET constructors for Discriminated Unions

Open source projects

• Legivel – F# Yaml 1.2 parser
• SAFE-template – dotnet CLI template for SAFE project
• fez – fsharp to core erlang compiler experiment
• status – A lightweight .NET package for working with HTTP status codes and status code descriptions.

New Releases

• SQLProvider 1.1.15 supports fast MySqlConnector 0.29 database driver
• Legivel 0.0.5
• fspro

Thx to hard work by @enricosada Ionide will soon support #fsharp compiler solution! https://t.co/Lbdegk5xmX—
Krzysztof Cieślak (@k_cieslak) October 26, 2017

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

Previous F# Weekly edition –#43

 

Welcome to F# Weekly,

This is an anniversary edition of F# Weekly, we are together for 5 amazing years! Thank you for reading F# Weekly and for all your contribution to the community.

By tradition, in order to celebrate this date, I ask you to join “F# Advent Calendar in English 2017” and make this year Advent unbelievably cool, once again!

A roundup of F# content from this past week:

News

• Visual Studio 2017 version 15.4.1
• Announcing the .NET Framework 4.7.1
• Upvote if you like VisualF# to be more responsive
• Experiment with Azure for FREE!
• RyuJIT Just-in-Time Compiler Optimization Enhancements

Videos/Presentations

• Using F# to change the way we work – Jon Harrop
• Minimum Viable Products: The Serverless Way with Azure Functions and F# – Anthony Brown
• Free .NET Training – The Videos from .NET Conf 2017 are now available
• .NET Summit 2017 Belarus Videos

Blogs

• F# – Cognitive Services Translator Text API – Ramón Soto Mathiesen
• F# Humor (kinda) – Boris
• Desert Code Camp 2017 – Jon Nyman
• A Monad Writer for F# – Nicolas A Perez
• Creating and Printing a TypeScript AST from Fable –  Cameron Taggart
• Creating Generic Wrappers for Validated Values – Robert Kuzelj
• Getting started with programming and getting absolutely nowhere (Part 14) – Elliott V. Brown
• What are the advantages of F# over C# – Jon Harrop
• F# introduction for my coworkers
  A quick, dirty, and mostly wrong introduction to F# – Simen Endsjø

F# vNext 

• FSharp.TypeProviders.SDK develops

Open source projects

• FsRover – Raspberry PI robot powered with FSharp
• TypeShape – Practical generic programming for F#
• FSharpHttpCore – F# Http trigger function for Functions 2.0
• FSharpHttpFull – Example of F# Azure Function using WebJobs attributes to auto-generate function.json
• xsvim – Vim emulation layer for Xamarin Studio / Visual Studio for Mac
• elmish-login-flow-validation – Elmish sample that demonstrates a login flow with user input validation
• FSCBenchmark – Benchmarks for the F# compiler

New Releases

• New release of Ionide plugin! Fixes around UX, adding `Restore` commands to project explorer. And making go-to-symbol in workspace faster! Adding some new diagnostic and quick fixes – unused opens, unused declarations, simplify name.
• fez – v0.1.0-alpha.1

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

Previous F# Weekly edition – #42