Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing F# 4.1 and the Visual F# Tools for Visual Studio 2017
• Announcing .NET Core Tools 1.0
• Announcing Visual Studio 2017 General Availability… and more
• Visual Studio 2017: Productivity, Performance, and Partners
• New Features in C# 7.0
• Announcing New ASP.NET Core and Web Development Features in Visual Studio 2017
• Optimize your productivity with .NET in Visual Studio 2017
• Assembly Load Debugger for Visual Studio 2017
• The week in .NET – Visual Studio 2017, .NET Core SDK, F# 4.1, On .NET with Phillip Carter, Happy Birthday from John Shewchuk, FNA, Pyre

Videos

• What’s New in F# 4.1
• Visual Studio 2017 launch event keynote
• Using Elixir and F# together – Bryan Hunter

Blogs

• Some details about Visual F# Tools in VS 2017 – Vasily Kirichenko
• F# and Purity – Eirik Tsarpalis
• Creating an Azure Function in F# from the ground up (Part 2) – Mathias Brandewinder
• Rediscovering Fire: Effective Learning? – Jeremy Clark
• Magic of F# Type Providers – Max Fedotov
• Exploring the new dotnet cli – Shayne Boyer
• Creating a fully functional F# microservice (NancyFx, SqlTypeProvider) – Michał Niegrzybowski
• Creating a fully functional F# microservice (Azure, FSharp.Configuration) – Michał Niegrzybowski
• Creating a fully functional F# microservice (Quartz.Net, Net.Mail) – Michał Niegrzybowski
• Contractive Functions on Streams in F# – Matthew Doig
• Detecting Faces with Dlib from F#. IFSharp Notebook – Boris Kogan
• Elixir vs F# – opinionated syntax comparison – Michał Łusiak

F# vNext

• If you want latest and greatest Visual F# in VS2017 now – Install latest VSIX from CI build.
• F# and .NET Core SDK 1.0.1
• Please help improve the F# documentation
• New F# lang suggestions:
  • List’s exists2 inconsistent with Seq’s exists2
  • Warn when an auto-property getter is confused with a default value

Open source projects

• FsYamlParser – Yaml1.2 parser in F#
• quotationcompiler – Quotation Compilation library that uses FSharp.Compiler.Service
• Fake.fsx – A FAKE extension module for working with FSX files.

New Releases

• Visual Studio 2017
• Visual Studio for Mac Preview4
• .NET Core SDK 1.0
• FSharp.Core 4.1.0.2
• FSharp.ViewModule 1.0.7
• FSharp.Compiler.Service 11.0.6
• FsXaml for WPF 3.1.6
• Fue 1.2.0

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

Previous F# Weekly edition – #10

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Visual Studio 2017 is coming on March 7
• F# Interview Questions
• Typestate-oriented programming in F*
• F# + LIQUi|> = quantum computing challenges
• OpenTK is using FAKE/Paket
• A little example using Fable with Auth0
• WordPress running on .NET Core
• Create .NET Standard Packages with Visual Studio 2017
• Mastering VS Code’s Terminal
• The week in .NET – On .NET with Eric Mellino, Happy Birthday from Scott Hunter, OzCode

Videos

• A tour of F# with Phillip Carter
• Fellow Short Talks: Dr Tomas Petricek, The Alan Turing Institute

Blogs

• Fable and Fable-Elmish Step-by-Step: Creating a Calculator – Zaid Naom
• Setting up continuous integration for F# Suave app to Azure – Zohaib Rauf
• Choosing Simplicity – not the easy option – Anthony Lloyd
• Mutability vs. Immutability: Valid objects – David Raab
• Suave Gotcha – winter_limelight
• FAKE Advanced TeamCity usage – Julien Roncaglia
• Explicit Is Better Than Implicit? I Disagree! – Robert Kuzelj
• Setting up continuous integration for F# Suave app to Azure – Zohaib Rauf
• Create a simple form engine with WebSharper.UI.Next in F# – Kimserey Lam
• Binary Log Search – Jonathan Leaver
• The Financial Information eXchange (FIX) Protocol in F# – Ian Spratt‏

F# vNext

• Jared Hester‏ is making some progress on FSharp.Editing (xplat tooling)
• New PR: Support modern MSBuild 15 like fsproj
• PR: Add F# support to Roslyn Project System
• New F# lang suggestions:
  • Better (prettier) output for printing lists of records
  • Allow the host to make the option type non-nestable and erased

Open source projects

• Fornax – Fornax is a static site generator using type safe F# DSL to define page templates
• fsfix – an F# FIX engine
• Fable.Auth0 – Fable with Auth0
• Chauffeur.ExternalPackages – An extension for Chauffeur that allows you to install packages from the Umbraco package feed
• fable-elmish – Elm-like abstractions for F# apps
• MyML – ML Like Language

New Releases

• FsUnit 3.0.0
• FSharp.Control.AsyncSeq 2.0.11

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

Previous F# Weekly edition – #9

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• A web stack designed for developer happiness
• Tour of F# (ycombinator)
• F# v4.1 released on docker
• The week in .NET – On .NET with Beth Massi, NeinLinq

Videos

• Life with actors: experience report – Vagif Abilov and Erlend Wiig

Blogs

• Blogged: Solving 5th grade math with F# and OCR – Martin Andersen
• Suave bootstrapper upgraded – Marnee Dearman
• You’re better off using Exceptions – Eirik Tsarpalis
• Yes, Virginia, You Can Write HoloLens Apps in F# – Paul Blair
• You, Too, Can Build Xamarin Apps with F# – Greg Shackles
• Kaggle Horses for Courses analysis of last five starts with Azure Notebooks (part 4) – Ronald Wildenberg
• Explicit Is Better Than Implicit? I Disagree! -Robert Kuzelj
• Binary Log Search – Jonathan Leaver
• Rapid API Development with Azure Functions – Mark Heath
• [F#] Free monad interpreter, DSL y DDD – Nicolás Herrera
• Bresenham Line Algorithm in F# – Steve Hawley

F# vNext

https://twitter.com/dsyme/status/833319353777004546

• Todo for F# integration with #dotnet core sdk 1.0 rtm is tracked in github project
• Package references in F# scripting
• New F# lang suggestions:
  • Allow implementing the same interface at different generic instantiations in the same type
  • List literals (allow overloading the [] operator)
  • Allow application in combination with dynamic (?) operator
  • Package references in F# scripting
  • Using the pipe operator to assign the output of a pipe to a variable

Open source projects

• DragonBall – Search Engine written with FSharp
• FsYaml – Typed Yaml Library for F#

New Releases

• FsUnit.NUnit 3.0.0-beta1
• FSharp.Compiler.Service 11.0.4
• FSharp.NET .Sdk v1.0.1

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

Previous F# Weekly edition – #8

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# Compiler runs in browser now.
• Happy 15th Birthday .NET!
• The week in .NET – On .NET with Phil Haack, Readline
• Building Single Page Applications on ASP.NET Core with JavaScriptServices

Videos

• Functional Killed the OOP Star by Tom Pittman (UVU)
• Thirteen ways of looking at a Turtle – Scott Wlaschin
• Pipe forward : Using Elixir and F# together – Bryan Hunter
• The Book of F# – Dave Fancher
• New NDC videos were published.

Blogs

• Dynamically calling a Function in FSharp –  Daniel Little
• F# – Mathematical expressiveness – Ramón Soto Mathiesen
• FSharp XSD Type Provider – Emiliano Conti
• Use JS local storage with ListModel with WebSharper UI.Next in F# – Kimserey Lam
• Speaker at F# eXchange 2017 (#fsharpX) – Ramón Soto Mathiesen
• Particle Filter in F# – Gary Evans

F# vNext

• The FSharp.Core 4.1.0 package is out with .Net Standard AND all others framework (net, pcl)
• Big 1.0.0 for F# integration with .NET Core SDK
• FSharp.Compiler.Tools now contains two fsc for .NET and .NET Core 1.0 runtimes
• Discussion: Autocompletion Behavior
• Merged: Implement ToString on unions (RFC FS-1022)
• New F# lang suggestions:
  • Allow simple arithmetic in number literals
  • Erased union types (like Typescript union types)
  • Provide predefined deconstructor for F# records

Open source projects

• fable-suave-scaffold – Working sample of a Suave + Fable + Elmish project with hot reloading

New Releases

• FSharp.Core 4.1.0
• FSharp.NET .Sdk 1.0.0
• FSharp.Sdk 1.0.0
• FSharp.Compiler.Tools 4.1.0
• FSharp.Compiler.Service 10.0.3
• FSharp.Compiler.Service.ProjectCracker 10.0.3
• Expecto v4.0.0 – Grouped async and stress tests
• FsXaml.Wpf 3.1.3
• FsCheck 2.7.1
• Suave.IIS 2.1.0

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

Previous F# Weekly edition – #7

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Visual Studio 2017 Launch Event and 20th Anniversary
• F# is in the top 3 on Stack Overflow most loved technology
• Follow F# Tweet Casts to see educational F# casts directly on Twitter.
• The week in .NET – On .NET on Docker and new Core tooling, Benchmark.NET, Magicka
• Announcing .NET Core Tools Updates in VS 2017 RC
• What Elm and Rust Teach us About the Future

Videos

• Cassandra, Docker and F# Awesomeness – Alena Hall
• FunctionalKnox: How to get started with Functional Programming in F# by Reid Evans
• Writing a Search Engine. How hard could it be? – Anthony Brown

Blogs

https://twitter.com/agross/status/829474396179927043

• A brief peek at Universal F# – Jonathan Banashek
• Easy start with F# in Visual Studio Code – equisept
• From dependency injection to dependency rejection – Mark Seemann
• Fiddling with ASP.NET Core and F# with Suave – Shane Logsdon
• An alternative take on application architecture – Bart Sokol
• Functional ASP.NET Core – Dustin Moris Gorski
• Creating an F# Project in VS Code – Pedro Santos
• First day of learning F# – Pablo Juan
• DocumentDB StoredProcs in F# via Fable – Joerg Beekmann
• Neo4j Type Provider (My tiny contribution) – Marnee Dearman
• F# – How to keep domain pure when logic depends on current date – Lauri Taimila
• Combining Fable and Fuse – Dave Thomas
• Getting Started with Functional Programming in F# – Derek Comartin
• Partial Calculations in F# – Steve Hawley
• Introducing Type Providers – Isaac Abraham
• Exploring the new dotnet cli – Shayne Boyer
• Creating an Azure Function in F# from the ground up (Part 1) – Mathias Brandewinder

F# vNext

• 2017 Status and Roadmap for F# and the Visual F# Tools
• Sprint 111-113 Summary
• Find All References in VS2017
• Don Syme reduced F# compiler service memory usage at > 50%
• .NET Core SDK rc4
• New F# lang suggestions:
  • Allow methods with the same name as DU counstructor when different parameters
  • Autogenerated lazy record constructors (like type alias in Elm)
  • Allow units of measure in for loops
  • Allow units of measure in sequence ranges
  • Allow upcasting in pattern match expressions

Open source projects

• smvp – Simple F# API over the Microsoft MVP API
• AspNetCore.Lambda – An attempt to make ASP.NET Core more functional.
• fsharp-gcloud-functions – Getting some F# into Google Cloud functions
• MBrace.Sql – WIP – SQL Layer for running queries against MBrace data stores

New Releases

• netcorecli-fsc v1.0.0-beta-060000
• FSharp.Compiler.Service 10.0.1

https://twitter.com/beurdouche/status/829658755612737538

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

Previous F# Weekly edition – #6

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• The .NET Language Strategy
• F# Historical Acknowledgements
• Announcing .NET Core, .NET Native and NuGet Updates in VS 2017 RC
• January 2017 Update for ASP.NET Core 1.1
• Event Hubs .NET Standard client is now generally available
• Github Introduces Topics
• Samsung releases second preview of their .NET tooling for Tizen
• The week in .NET – On .NET on public speaking, ndepend, CrazyCore, The Perils of Man

Videos

• Railway Oriented Programming(Functional approach to error handling) – Honza Brestan
• LambdaCast on SoundCloud

Blogs

• Create an F# project in VSCode – Pedro Santos
• Dependency rejection – Mark Seemann
• The Gamma dataviz package now available! – Tomas Petricek
• F# – Extend Pattern Matching – Ramón Soto Mathiesen
• Type Driven Domain Modelling – Lucas Medeiros Reis:
  • Part 1 (Types And Property Testing With F#)
  • Part 2 (Evolving Models With F#)
• F# 4.1 Brings Improvements and Interoperation with C# 7 – Pierre-Luc Maheu
• Higher Kindended Types in F# – The Introduction -Robert Kuzelj:
  • Part I – What is the Problem Anyways?
  • Part II – A Short Visit to Haskell Land
  • Part III – How to emulate HKTs in F#
• Coding Puzzle in F#: Find the Number of Islands – Mikhail Shilkov
• Using R in Excel with NeXL Connector and F# RProvider – Adam Mlocek
• Getting IMF Data into Excel with NeXL Connector and F# – Adam Mlocek
• An IVR with Neo4j and F# — Part 2A (Modeling the IVR domain with algebraic data types) – Marnee Dearman
• How to avoid input lost focus with ListModel WebSharper F# – Kimserey Lam

F# vNext

• .NET Core SDK rc3 (updated guide)

Open source projects

• passgen-cmd – Password Generator Command Line
• fsharp-suave-expecto – Reference app for using F# Suave and Expecto

New Releases

• FsXaml for WPF 3.1.2
• FSharp.Compiler.Service.Visitors 0.7.3
• FSharp.Expandable.Compiler.Core 0.7.6
• Gjallarhorn 0.0.9
• FSharp.ViewModule 1.0.6

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

Previous F# Weekly edition – #5

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Please help to test Visual F# RC3.
• The Book of the Runtime (BOTR) for the .NET Runtime
• Significant Garbage Collector Changes in .NET 4.6.2
• The new docs site for Fable-arch is out
• The week in .NET – Adafruit Class Library for Windows IoT Core, Floor Plan

Videos

• F# – Putting the Fun into Functional Programming – Microsoft Research Cambridge
• Programming Like Functions Matter with Jimmy Burrell and Scott Wlaschin
• F# compile time type checking through SQL database – Jérémie Chassaing
• Live Coding music with FSharp under Visual Studio 2015

Blogs

• F# 4.1 Brings Improvements and Interoperation with C# 7 – Pierre-Luc Maheu
• F# – How to keep domain pure when logic depends on current date – Lauri Taimila
• From F# to Scala – apply & unapply functions – Yan Cui
• Authentication for WebSharper sitelet with JWT token in F# – Kimserey Lam
• F# Pattern Matching – Part 2 – Active Patterns – Jason Down
• F# – Extend Pattern Matching – Ramón Soto Mathiesen
• Modelling State in F# – Isaac Abraham
• My Praise of Advent of Code 2016 – Mikhail Shilkov
• Fiddling with ASP.NET Core and F# with Suave – Shane Logsdon
• Using ELK for Logging on Windows: Configuration – Serhiy Kalinets
• Kaggle Horses for Courses age analysis with Azure Notebooks (part 3) – Ronald Wildenberg
• An IVR with Neo4j and F# — Part 1 (building the Neo4j graph database backend) – Marnee Dearman
• Working with Multiple .NET Core SDKs – both project.json and msbuild/csproj – Scott Hanselman
• How do .NET delegates work? – Matt Warren

F# vNext

• Instructions for installing the latest Visual FSharp Tools preview in Visual Studio RC3
• .NET Core SDK preview4
• PR: Improve and dogfood the dotnet core sdk support
• New language suggestions:
  • Redefine some top-level operators to allow for overloading
  • Make DU types easier to use (correctly) in C#, add switch and match methods on root type

Open source projects

https://twitter.com/dsyme/status/824782817427124228

• IoTHubFsharp – Get started with Azure IoT Hub in F#
• neovimfs – Neovimfs is that Fsi works on Suave server

New Releases

• fable-compiler 0.7.39 is released with tailcall optimization support!
• New release of Ionide Project: Performance improvements – finding symbols in file and CodeLenses location should be much faster
• FSharp.Compiler.Service 9.0.1
• GeographicLib.FSharp 1.1.0
• Akka.FSharp 1.1.3
• DotNetKit.FSharp 0.2.0
• FSharp.Compiler.Tools 4.0.1.21
• Microsoft.FSharp.Core.netcore 1.0.0-rc-170122
• Paket 4.0.0-beta006 now allows to generate F# load scripts with a paket.dependencies switch

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

Previous F# Weekly edition – #4

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Customizable naming rules came to FSharpLint
• Azure Functions F# Developer Reference
• F# for Azure Notebooks
• The Visual Studio Test Platform (VSTest) is now Open Source
• The week in .NET – On .NET with David Pine, PwdLess, Terraria
• Virtual Panel: What’s Next for .NET?

Videos

• ASP.NET Monsters #85: Suave Web Services
• Programming Like Functions Matter with Jimmy Burrell and Scott Wlaschin
• Security testing in the cloud with F# and Project Springfield – Seth Juarez
• Fast Neural Network… a no brainer! – Riccardo Terrell

Blogs

• Star Wars : Rogue One, Type Provider edition – Ross McKinlay
• On the topic of 2D array performance in .NET – Mårten Rånge
• F# Unit Testing Simplified – Expecto with Visual Studio Code – Tom Prior
• From F# to Scala – case class/object (ADTs) – Yan Cui
• Headless Front End Testing on Linux using F# and Canopy – Coder’s Coffee House
• Elmish now supports RemoteDev time-travelling debugger – Eugene
• Parsing iTunes XML Data with F# – Ody Mbegbu
• .NET Core Image Processing – Bertrand Le Roy
• Getting Fable To Work With JavaScript Libraries For Functions With Multiple Arguments – Justin Sacks
• Experimenting with data in F# – Chris Alexander
• Project.json to MSBuild conversion guide – Nate McMaster

F# vNext

• Announcement for VS2017 RC3
• PR: WIP Integrate visualfsharp master
• New RFC:
  • F# RFC FS-1029 – (Implement IReadOnlyCollection<‘T> in list<‘T>)

Open source projects

• Minesweeper – Minesweeper in F# & iOS.
• csharp-uniontypes – DSL, parser and code-generator for Union Types (discriminated unions/sum types) in C#
• FSharpHero – Handmade Hero in F#
• fable-suave-scaffold – Working sample of a Suave + Fable + Elmish project with hot reloading
• SimpleVideoEncoder – A simple video encoder for F# on Windows (Uses Media Foundation).

New Releases

• Expecto v3.2.0
• Fsharp.ViewModule 1.0.5
• Ionide:
  • Package autocomplete in paket.dependencies
  • Autocomplete of installed packages in paket.references file
  • Direct support for MsBuild (MsBuild commands)

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

Previous F# Weekly edition – #3

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• What .NET Developers ought to know to start in 2017
• SIMDArray F# library is now on fsprojects
• The week in .NET – On .NET with Reed Copsey, Jr., Orchard Harvest, Ammy, Concurrency Visualizer, Eco

https://twitter.com/c4fsharp/status/818906432678535169

Videos

• .NET Core – Consuming Nightlies – Immo Landwerth
• My Functional Programming & F# Talks at Webscale Architecture Meetup – Mikhail Shilkov
• Computer Science ∩ Mathematics (Type Theory) – Dr Thorsten Altenkirch

Blogs

• F# Has Won Me Over: Coming to .Net World from Outside .Net – Tom Prior
• New release of @fsibot, now on Azure Functions – Mathias Brandewinder
• Testimonial on Using F# by Microsoft’s Project Springfield Team -Pierre-Luc Maheu
• From F# to Scala – type inference – Yan Cui
• From F# to Scala – traits – Yan Cui
• Estimating pi on the GPU – Xiang Zhang
• Pairwise Distance Calculation on the GPU – Xiang Zhang
• F# Pattern Matching – Part 1 – Introduction – Jason Down
• SqlJuxt – Building primary keys on a table – Kevin Holditch
• You, Too, Can Build Xamarin Apps with F# – Greg Shackles
• Kaggle Horses For Courses barrier analysis with Azure Notebooks (part 2) -Ronald Wildenberg
• Analysing Pause times in the .NET GC – Matt Warren

F# vNext

• Merged: Suggest Unions and Records if qualified access required

Open source projects

• Microsoft/fsharplu – This library provides a set of F# helpers for string manipulations, logging, collection data structures, file operations, text processing, security, async, parsing, diagnostics, configuration files and Json serialization.
• expecto-adapter – Visual Studio test adapter for Expecto
• fue – F# templating library with simple syntax designed for smooth work with F# types.
• pipes-and-filters – Sources for the pipes and filters presentation

New Releases

• Expecto v3.1
• FSharp.Expandable.Compiler.Core 0.7.5
• GeographicLib.FSharp 1.0.0.3
• FSharp.MySqlQueryProvider 1.0.5
• Stanford.NLP.NET 3.7.0
• Stanford.NLP.Parser.Fsharp 0.0.13
• Persimmon.Dried 3.0.0
• MathNet.Numerics.FSharp 3.17.0

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

Previous F# Weekly edition – #2