Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• How did you start using F#?
• The annual F# Software Foundation Board of Trustees election is coming up!
• Steeltoe 1.0 is officially GA
• Announcing a unified .NET reference experience on docs.microsoft.com
• Announcing the .NET Framework 4.7
• How to create your own templates for dotnet new
• The week in .NET – On .NET on SonarLint and SonarQube, Happy birthday .NET with Dan Fernandez, nopCommerce, Steve Gordon
• Microsoft Updates its Deep Learning Toolkit

Videos (F# eXchange 2017, Day 1)

• Opening Keynote: Exploring StackOverflow data with F# – Evelina Gabasova (Slides)
• Building a Highly Concurrent, Functional Web Server on .NET Core –
  Marcus Griep (slides)
• A Gazillion Ways to Test with F# – Kit Eason
• The past, present and future of MBrace – Anthony Brown (Slides)
• Ukulele tabs in F# – Jérémie Chassaing
• Puritas, A journey of a thousand miles towards side-effect free code – Ramón Soto Mathiesen (slides)
• Build a Functional Reactive Xamarin Forms app in 30 Minutes -Rob Lyndon
• Writing Generic Programs in F# – Eirik Tsarpalis
• Some advice to F# beginners – Pierre Irrmann
• Fixing Real Life Problems from the Ivory Tower – Michael Newton (slides)
• Quick! Check your Properties (and Write Better Software) – Paulmichael Blasucci
• YOU WERE EATEN BY A GRUE – Ross McKinlay
• Conquer the JavaScript Ecosystem with F# and Fable – Alfonso Garcia-Caro
• Top of Mind with Don Syme – Don Syme
• Lightning Talk Session: Property-Based Testing of Hardware – Dale Dunlea
• Lightning Talk Session: Value Constraint at Compile-Time – Fahd Abdeljallal
• Lightning Talk Session: Expanding the Horizons of Mobile Development – Dave Thomas (slides)

Blogs

• Programming in the Point-Free Style – Eirik Tsarpalis
• Overview of WebSharper’s templating engine – Part 2, Data holes – Youenn Bouglouan
• Returning to the Ivory Tower – Michael Newton
• Suave tutorial part 1 – Pablo Rivera‏
• Level Up Your F# Skills – Michael Newton
• What’s the Unit Type in F#? –  Jose Gonzalez

F# vNext

• Getting started with F# with command-line tools
• New F# lang suggestions:
  • Indentation rules for `do yield` and `->` are not the same
  • Type Provider Parameter (String) Colorization

Open source projects

• TensorFlowSharp – TensorFlow API for .NET languages
• FSharp-Template-for-Aws-Lambda – A template for publishing F# projects to AWS Lambda
• bege – A compiler for Befunge → .NET
• BigQueryProvider – F# type provider for BigQuery
• freya-netcore-presentation

New Releases

• VS Code 1.11
• Unquote 3.2.0 now with Expecto support
• SQLProvider 1.0.51
• Persimmon 2.0.1
• Freya 4.0.0-alpha-170404

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

Previous F# Weekly edition – #14

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Shutting down CodePlex
• Visual Studio 2017 Brings F# 4.1
• Course “F# and Xamarin Development Basics” by Rachel Reese
• Open sourcing the MSTest Test Framework
• Announcement: Driving towards zero .NET Core 2.0 bugs by May 10 (ZBB)
• The week in .NET – On .NET with Sidharth Gupta on Tizen, Happy birthday .NET with Bertrand Le Roy, JSON.NET 10, Gunnar Peipman

Videos

• Getting Started with .NET Core using F#
• Type Classes in FSharp – William Coletto
• The Tale of State and Behaviour, Part 2 with Scott Wlaschin
• Building a security testing service with F# – William Blum
• Talking to Ody about the software lifestyle – Scott Nimrod
• Look Mommy, No GC! – Dina Goldshtein

Blogs

• Using F# to write serverless Azure functions – Lee Stott
• Railway Oriented Programming and F# Result, part 2 – Mårten Rånge
• F#: an Open Source Functional-First Programming Language – Martins Jr. Okoi
• A Powerful F# Library Shows How S-Expressions Might be Superior to XML and Json – Bryan Edds
• Gram Schmidt in FSharp – Jeremy Bellows
• Slack TypeProvider – Flechner Romain
• A Comprehensive Look at F# 4.1 – Jonathan Allen
• Visual F# Tools, TypeScript: A Tale of Two Releases – Michael Domingo
• A reusable ApiController Adapter – Mark Seemann
• Shuffling without side effects – Kasey
• A simple Azure Function using F# – Vicenç García-Altés
• Creating an Azure Functions solution diagram – Mathias Brandewinder‏

F# vNext

• New F# lang suggestions:
  • Implicit interface implementation from an object expression
  • Implement [<StructuralEquality>] and [<StructuralComparison>] for simple class types

Open source projects

• project-system – C#, F# and Visual Basic project system for Visual Studio
• Furl – Interact with HTTP resources using F# scripting
• Giraffe – A native functional ASP.NET Core web framework for F# developers.
• equis – Transform some goddamn XML on .NET
• slacktypeprovider – A tiny type provider to use Slack API

New Releases

• Expecto v4.1.1
• Azure Storage Type provider v1.8
• Paket 4.1 comes with proper support for “dotnet pack”

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

Previous F# Weekly edition – #13

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Programming in Hopac
• The week in .NET – Happy birthday .NET with Mads Torgersen, Coypu

Videos

• Exploring StackOverflow data – Evelina Gabasova
• Visualizing Olympic Medals with F# and Fable – Tomas Petricek
• Fellow Short Talks: Dr Tomas Petricek, The Alan Turing Institute

Blogs

• Why OO Matters (in F#) – Eirik Tsarpalis
• Answering “What’s for lunch?” using Azure Functions, F# and Slack – Martin Andersen
• Examining the F# Programming Language – David Bolton
• Make your pizzas taste better thanks to the F# Forward Pipe operator! – Youenn
• Understanding Fold – David Raab
• Prefer Continuations to API Classes in F# – Matthew Doig
• Building and deploying Azure WebJobs with F# – Robin Ridderholt
• Fable F#-to-JavaScript tool integrates with Microsoft .Net Core SDK – Paul Krill
• Will the real F# idioms please stand up? – Pablo Juan

F# vNext

• Visual F# Attributions
• Some comments on traits (and default interface implementations) from the F# perspective
• New F# lang suggestions:
  • New type: constrained type
  • Flow based null check analysis for [<AllowNullLiteralAttribute>] types and alike
• New RFC:
  • F# RFC FS-1030 – Anonymous Records

Open source projects

• Delegate.Sandbox – A library that provides a Computation Expression named SandboxBuilder, sandbox { return 42 }, which ensures that values returned from the computation are I/O side-effects safe and if not, they are marked as unsafe returning an exception.
• XamarinForms.Reactive.FSharp – A fluent interface for building Xamarin Forms apps using ReactiveUI and F#
• FsFIX – The Financial Information eXchange (FIX) Protocol in F#

New Releases

• Fable 1.0 beta
• Expecto v4.1.0
• Suave v2.0.5 released with a security fix and with dotnet 1.0.1 support

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

Previous F# Weekly edition – #12

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing Nightly Releases for the Visual F# Tools
• Azure Functions F# support is now generally available
• Visual Studio 2017 Poster
• VisualStudio Uninstaller
• The week in .NET – On .NET with Scott Hunter, On .NET with Matt Watson, MessagePack

Videos

• Fable: Beautiful F# to Javascript compilation – Alfonso Garcia-Caro
• NDC Sydney 2016 – AMA! with Mark Seemann (C# vs F#, Functional Programming, Unit Testing)
• Fast Neural Networks… a no brainer! – Riccardo Terrell (Lambda Days 2017)
• Implementing Event-Driven Microservices Architecture (…) – Nikhil Barthwal (Lambda Days 2017)

Blogs

• An update – Don Syme
• Railway Oriented Programming and F# Result – Mårten Rånge
• Idiomatic F# Design – Yawar Amin
• Elixir vs F# – opinionated syntax comparison – Michał Łusiak
• Building a MUD with F# and Akka.NET – Part One – Joe Clay
• Implementing the Excel Simulator in F# – Gaston Verelst
• Some Gotchas Writing Unity Apps in F# – Paul Blair
• Variable Arguments in F# – David Raab
• ThreadSafeDictionary in Hopac in F# – Henrik Feldt
• Pure F# Web API and Team City Build – Marnee Dearman
• Low-level PDF manipulation for F# – Daniel Beer
• Learning your technology shouldn’t be so hard – Pablo Juan Rivera
• Make your pizzas taste better thanks to the F# Forward Pipe operator! – Youenn Bouglouan
• FAKE your way to ASP.NET Core on Azure WebApps, part 3 – The Solution, Again – Jakub Fijałkowski
• Understanding Fold – David Raab
• Statically Typed Client-Server Communication with F#: Proof of Concept – Zaid Naom

F# vNext

• Use VS2017 with Nightly Releases for the Visual F# Tools
• Ionide provides commands for building applications using MsBuild
• New F# lang suggestions:
  • Add new format flag to the %A specifier which escapes necessary string characters

Open source projects

• LicenseToCIL – Semi-safely generate CIL in F#
• fsharpwatson – Code example for IBM Watson Developer Cloud API calls in F#
• fsml – A machine learning project in F#
• chiron – JSON for F#
• furl – Interact with HTTP resources using F# scripting

New Releases

• Latest FAKE version comes with a yarn helper
• Paket 4 was just released and comes with support for .NET Core, MSBuild 15 and Visual Studio 2017

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

Previous F# Weekly edition – #11

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