Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• New book: Learn F# by Isaac Abraham
• New workshops from fsharpWorks
• The San Francisco F# User Group
• The week in .NET: On .NET with Steeltoe – C# Functional Extensions – Firewatch
• xUnit supports F# async natively
• WebSharper 4 beta supports both C# and F#

Videos/Presentations

• F# and ASP.NET Core 1.0 – Enrico Sada
• Parsing Text with Combinators – F# Part 5 – the_dev_aspect (David Wilson)
• F# in the Real World – Yan Cui
• F# WebAPI From Start to Finish – Jon Nyman
• An Introduction To Functional Programming Using F# -Jamie Dixon
• Type classes for .NET, C# and F#
• Extracting from F* to C: a progress report

Blogs

• xUnit-Jet – Open Sourced – Jet
• Scale Up Azure Functions in F# Using Suave – Tamizh Vendan
• Learn F# for the masses – Isaac Abraham
• Crying out loud: things I dislike in F# – Alex Yakunin
• Getting Started with F# – Jonathan Lindkvist
• Your programming language is probably unproductive – Bart Sokol
• Visualizing Graphs – Boris Kogan
• Use apply and carry on – Milosz Krajewski
• Commands and events with JustSaying and AWS – Jef Claes
• F# Series: Fitting the Pieces Together – Ody Mbegbu
• Xando – alxandr
  • Part 1: Down the rabbit hole of CQRS and Event Sourcing
  • Part 2: Events, Commands and State
  • Part 3: JSON
• Absolute layout and relative layout Xamarin forms – Kimserey Lam
• Using F# and Canopy for UI Testing – Jeremy Bellows
• Adding simple gtk# gui in a console F# application – Tony X
• ASP.NET Core приложение на F# – краткий урок – Dmitry Tabakerov
• 60 Days of Euler in F# with Bryan Slatner: Problem 39; Problem 40; Problem 41; Problem 42; Problem 43; Problem 44; Problem 45

F# vNext

• Please follow/comment/contribute to “F# on Azure” docs.
• F# Language RFCs:
  • FS-1022 – Override ToString for discriminated unions and records
  • FS-1023 – Allow type providers to generate types from types
• Recently proposed ideas:
  • Expand on cardinality functions Seq.exactlyOne, with Seq.tryExactlyOne and add oneOrMore, zeroOrMore

Open source projects

• xunit-jet – Jet.com’s F# extension to xUnit
• Kebab – Little ML’er in F#
• SemVer.FromAssembly – Helper tool to guess SemVer version based on public surface area differences
• MemoryVisualizer – Visualization of the managed memory
• fastText – Library for fast text representation and classification
• OneOf  – Easy to use F#-like discriminated unions for C#
• kubernetes-hello-fsharp – F# for kubernetes getting started sample
• OpenTKExamples – Small F# example programs for OpenTK
• Topshelf.FSharp – F# APIs for Topshelf

New Releases

• Akka.FSharp 1.1.2
• Hopac.Plus v0.1.3 with supervisors for Hopac jobs
• GeographicLib.FSharp 0.0.160918.1416
• FSharp.Data.XMLProvider 2.3.14159
• FSharp.FakeTargets 0.10.1
• FSharp.Control.FusionTasks.FS40 1.0.2
• Xamarin.Android .FSharp.ResourceProvider 1.0.0.5

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

Previous F# Weekly edition – #38

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• A whole new GitHub Universe
• Announcing September 2016 Updates for .NET Core 1.0
• The week in .NET: .NET Core 1.0.1 – On .NET with Peachpie – Avalonia – Folk Tale
• VS Code – August 2016 (version 1.5.2)
• Progressive F# Tutorials 2016
• FPCasts – Your source for Functional Programing Related Podcasts
• GoogleTestRunner is written in F#

Videos/Presentations

• Functional Geekery Episode 66 – Scott Wlaschin
• Fable: Beautiful F# to Javascript compilation – Alfonso Garcia-Caro
• Exploring StackOverflow – Evelina Gabasova

Blogs

• Don Syme Presents F# Design Principles at .Net Fringe – Pierre-Luc Maheu
• Walking the Euler Path: Intro – Boris Kogan
• Quicksort implementation and testing FsCheck vs ScalaCheck – Denys Kholod
• Langton’s Ant in F# – Ram
• Programming UrhoSharp with F#
• Maze generator with Fable – Milosz Krajewski
• F# Series: Building Real-World Applications in F# – Ody Mbegbu
• Use apply and carry on – Milosz Krajewski
• Why Isn’t F# the King of .NET? -Chris Davies
• Ninja for .NET with F# and Visual Studio Code – Antonio Cisternino
• 60 Days of Euler in F# with Bryan Slatner: Problem 35; Problem 36; Problem 37; Problem 38

F# vNext

• Recognizing Top Documentation Contributors – Summer 2016
• Merged: Add an F# Azure Functions developer reference
• New Up for Grabs issues:
  • Enable fsharp.core.dll to be built with warning level 5
• Recently proposed ideas:
  • Allow type annotations at the top level in fsi
  • Add ofObj to Seq and Array

Open source projects

• IoX.Module.UdpTunnel – IoX modules implement a UDP tunnel over HTTP
• Amazingant.FSharp.TypeExpansion.Templates – Templates for use with the Amazingant.FSharp.TypeExpansion tool
• FsVerbalExpressions – a library that allows you to write composable regular expressions in natural language.

New Releases

• Forge 1.0
• FSharp.Plotly 1.0.2
• FSharp.Data.Xsd 0.1.0
• UrhoSharp.HoloLens 1.1.12
• FsVerbalExpressions 0.5.0
• FSharp.Expandable.Compiler.Core 0.5.2
• FSharp.Control.FusionTasks.FS40 1.0.0
• Trustpilot.FSharp.Flow.Api 0.4.1
• Amazingant.FSharp.TypeExpansion 0.7.0
• Amazingant.FSharp.TypeExpansion.Templates 1.1.3

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

Previous F# Weekly edition – #37

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Vote if you like: Make fsproj Files Include All Files by Default and have a separate File for Compilation Order
• The week in .NET – 9/7/2016
• VS Code – August 2016 (version 1.5)

Videos/Presentations

• The F# Path to Relaxation – and what it means for .NET – Don Syme
• Agile experiments in Machine Learning – Mathias Brandewinder
• Getting productive with F# Open Source tooling – Krzysztof Cieslak
• High performance multi-target logging with Logary – Jeremy Abbott
• The F#orce Awakens – Evelina Gabasova
• Distributed .NET microservices architecture with Kubernetes in the cloud – Alena Hall
• FAKE it til you make it – Ryan Rousseau
• Hadoop.NET – Hakeem Mohammed
• Docker All the Things – .NET 4.6 apps and Windows Containers – Anthony Chu
• Event Storming For .NET Projects – Robert Zalaudek
• Meetup F# Italia – Coursera Hang Out

Blogs

• Managing Complexity – Or “Why do you code in F#?” – Anthony Lloyd
• Gradient Boosting using Automatic Differentiation – Mathias Brandewinder
• Event Sourcing is Awesome! – Jet / Gad Berger
• Getting Started with Azure Functions and F# – Greg Shackles
• GSD with F#, or how I ported my blog to Jekyll – Mathias Brandewinder
• F# and Functional Programming -Jonathan Lindkvist
• Cross-platform UIs with F# and Fable – Eugene Tolmachev
• Recursion and Pattern Matching – Jason Down
• The Gamma — Visualizing Olympic Medalists – Tomas Petricek
• Size of blobs in Azure Storage account – Denys Kholod
• Azure functions in F#– Michał Niegrzybowski
• Digit cancelling fractions (Project Euler Problem 33) – James Igoe
• 60 Days of Euler in F# with Bryan Slatner: Problem 28; Problem 29; Problem 30; Problem 31; Problem 32; Problem 33; Problem 34

F# vNext

• Recently proposed ideas:
  • Automate the need to explicitly write out generic parameter constraints in classes

Open source projects

• PerfUtil – A simple F# utility for testing performance
• fscx-projects/fscx – Easy infrastructure can replace F#’s AST at compile time.
• FSharpPerf – A set of performance test scripts for the F# compiler.
• www.fsharpreactivepatterns.com
• Amazingant.FSharp.TypeExpansion – Code generation tool that applies expansion functions to simple types
• mathias-brandewinder/Atropos – Facilitate the creation of machine learning models in F#
• Azure.IotHub.Examples.FSharp – Azure Iot Hub Examples
• awesome-dot-net-performance – A curated list of awesome .NET Performance books, courses, trainings, conference talks, blogs and most inspiring open source contributors. Inspired by awesome-… stuff

New Releases

• Argu 3.3 with experimental .NET Core support
• Paket.Core is now available for CoreCLR
• Microsoft.FSharp.Compiler.netcore 1.0.0-alpha-160831
• Math.NET Numerics for F# 3.13.1
• SQLProvider 1.0.32
• Hopac 0.3.15 with .net core
• LanguageExt.FSharp 1.9.2
• Persimmon.MuscleAssert 0.7.1
• Amazingant.FSharp.TypeExpansion 0.4.1
• LM.NET for F# 1.8.0

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

Previous F# Weekly edition – #36

Welcome to F# Weekly,

A roundup of F# content from this past week:

https://twitter.com/c4fsharp/status/770333706770939904

News

• Fable samples – Explore Fable through fun demos!
• F# docs are now on docs.microsoft.com
• What’s New in C# 7.0
• The week in .NET – 8/30/2016
• 400,000 GitHub repositories, 1 billion files, 14 terabytes of code: Spaces or Tabs?
• Azure Functions 0.5 release & August portal update

Videos/Presentations

• Functional Concurrency with the Actor Model – F# Part 4 – David Wilson
• Distributed .NET microservices architecture with Kubernetes in the cloud – Alena Hall
• Polyglot data science “the force awakens” with F#, R and D3.js – Evelina Gabasova & Tomas Petricek
• Coder F#nctionnel – dotNetConf 2016 Edition –
  Nicolas VERINAUD

Blogs

• Bring internationalization (i18n) to your WebSharper webapps in FSharp – Kimserey Lam
• F# and Functional Programming – Jonathan Lindkvist
• Driving Canopy Tests with TypeProviders – Humble Toolsmith
• Crazy things you can do with the F# ternary operator -Aleksander Heintz
• Recursion and Pattern Matching – Jason Down
• Learn Me an F# for Great Good, Part I – Select *
• Monitoring Suave.io app with Datadog – Hodza Nassredin
• 60 Days of Euler in F# – Problem 21 – Bryan Slatner
• 60 Days of Euler in F# – Problem 22 – Bryan Slatner
• 60 Days of Euler in F# – Problem 23 – Bryan Slatner
• 60 Days of Euler in F# – Problem 24 – Bryan Slatner
• 60 Days of Euler in F# – Problem 25 – Bryan Slatner

F# vNext

• Sprint 105 Summary
• I am going to start using Squash and Merge
• PR: Faster name resolution
• Merged: Alternative Array.Filter implementation
• Recently proposed ideas:
  • Impement auto notification
  • Implement interface delegating

Open source projects

• dsyme/fsharp-presentations – Archive of some F# presentations over the years
• fable-electron – Fable bindings and samples for Github Electron
• SourceCodeTypeProvider – F# provided types generated from C# or F# source code
• HttpFs.Auth0 – provides constructs which make it easier to use Auth0 when interacting with protected APIs.
• Hopac.Plus – A collection of utilities that encapsulate common concurrency patterns and constructs for use with the Hopac concurrency library.
• FSharpPerf

New Releases

• Paket 3.18.2
• SwaggerProvider 0.5.6
• FSharp.Object.Diff 0.9.0
• FSharp.Data.Xsd 0.0.9
• Logary 4.0.112
• Yaaf.FSharp.Scripting 1.7.0
• Persimmon 1.2.0

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

Previous F# Weekly edition – #35

Welcome to F# Weekly,

A roundup of F# content from this past week:

https://twitter.com/c4fsharp/status/768858324569845760

News

• Ionide 2.4.0 for VS Code released with support for FSharpLint
• Visual Studio “15” Preview 4 is released
• HttpFs.Auth0 is just about ready to go…
• What’s New in C# 7.0
• VS Code: Goodbye User Voice, Hello GitHub Reactions!
• Logary loves elmah.io
• F# example is added to Mobius
• The week in .NET – 8/23/2016

Videos/Presentations

• Functional Game Logic with State Pipelines – F# Part 3 [Episode 003] – David Wilson
• Safe Systems Programming in C# and .NET – Joe Duffy
• Functional Geekery Episode 63 – Yan Cui
• Phillip Carter – F#
• Michael Newton – F# for the curly brace developer
• Rethinking State Management | Tamizhvendan S | Geek Night August 2016
• TypeShape: Practical Generic Programming in F# – Eirik Tsarpalis
• Hack_n_Learn_Fsharp_Ajira – Tamizhvendan S

Blogs

• Creating a Slack bot with F# and Suave in less than 5 minutes – Dustin Moris Gorski
• Transcompiling F# to Javascript with Fable – Pierre-Luc Maheu
• Don Syme 2.0 : Cow Herding Edition Type Provider – Ross McKinlay
• OOP in FSharp. How to define and implement classes, abstract classes and interfaces – MoebiusOOtics
• Programming in Hopac – Vesa Karvonen
• Validating List Sorting with Canopy – Eric Potter
• How to download the daily Bing wallpaper using F# – Leif Battermann
• Writing Better Tests Than Humans Can Part 1: FsCheck Property Tests in C# – Aaron Stannard
• Paket workflow for testing new NuGet package before release – Tomasz Heimowski
• Getting started with F# with Cross-Platform Tools – Phillip Carter
• 60 Days of Euler in F# – Problem 13 – Bryan Slatner
• 60 Days of Euler in F# – Problem 14 – Bryan Slatner
• 60 Days of Euler in F# – Problem 15 – Bryan Slatner
• 60 Days of Euler in F# – Problem 16 – Bryan Slatner
• 60 Days of Euler in F# – Problem 17 – Bryan Slatner
• 60 Days of Euler in F# – Problem 18&19 – Bryan Slatner
• 60 Days of Euler in F# – Problem 20 – Bryan Slatner

F# vNext

• Merged: Array.choose with less memory use
• Merged: Improvement to Array.average
• Merged: More Efficient algorithm for List.groupBy
• Merged: Using isNull when possible
• Merged: Alternative Array.Filter implementation
• Merged: Pretty Print Value of Public Fields in FSI
• Merged: Better error message when specializing generic abstract type with unit
• Recently proposed ideas:
  • Allow lower-case DU cases when [<RequireQualifiedAccess>] is specified

Open source projects

https://twitter.com/ignitethewill/status/768975907746820096

• AspNetCoreFSharp – An empty ASP.NET Core web template in F#
• Eff – A library for programming with Algebraic Effects in F#
• Fable-virtualdom samples

New Releases

• Fakta 0.10.0
• FSharp.Data.Xsd 0.0.8
• MaltParser 1.9.0

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

Previous F# Weekly edition – #34

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• “Hello, World!” in #Fable, the F#-to-JavaScript compiler
• PowerShell is now open-source, and cross-platform
• The week in .NET – 8/16/2016
• Restore most serialization implementations in coreclr
• Introducing the .NET Framework Monthly Rollup

Videos/Presentations

• Functional Programming with F# – Part 2 [Episode 002]

Blogs

• Adventures in F# Performance – Jack Mott
• Basic Regression Tree – Mathias Brandewinder
• JSON Monadic Transformers – Mårten Rånge
• Fable |> React – Running an F# Sudoku solver everywhere – Steffen Forkmann
• OOP in FSharp – How to define and implement classes, abstract classes and interfaces – Kimserey Lam
• FAKE your way to ASP.NET Core on Azure WebApps, part 1 – The Problem – Jakub Fijałkowski
• Wire – Writing one of the fastest .NET serializers – Roger Johansson
• 60 Days of Euler in F# – Problem 7 – Bryan Slatner
• 60 Days of Euler in F# – Problem 8 – Bryan Slatner
• 60 Days of Euler in F# – Problem 9 – Bryan Slatner
• 60 Days of Euler in F# – Problem 10 – Bryan Slatner
• 60 Days of Euler in F# – Problem 11 – Bryan Slatner
• 60 Days of Euler in F# – Problem 12 – Bryan Slatner

F# vNext

• Merged: Removing recursion in array.fs where it is may be worthwhile
• Merged: Speed up all the array.fs for loops
• Merged: New Array.filter – better memory usage
• Merged: faster Array.averageBy, and some cleanup
• Merged: added optimization when doing set difference from an empty set
• Fixed: Impossible error when writing impossible pattern matching
• Merged: Change task cancellation behaviour on awaited untyped tasks
• Recently proposed ideas:
  • Relax indentation rules on Records

Open source projects

• fable-fuse-samples
• Higher -A lightweight library of abstractions for Higher-kinded programming in F#

New Releases

• Ionide F# 2.0 for VS Code
• SwaggerProvider 0.5.5
• FSharp.Configuration 0.6.2
• FSharp.Management 0.4.2
• FeldSpar 1.2.0.1

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

Previous F# Weekly edition – #33

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Walmart is buying Jet.com for $3 billion
• The week in .NET – 8/9/2016
• Awesome.NET – A curated list of popular .NET libraries, projects, and other useful resources
• This month in the F# Gazette!
• Behind the Numbers of Jet.com’s Audacious Plan to Attack Amazon
• Visual F# Update To Include .NET Core Project Editing, Compiling

Videos/Presentations

• Functional Programming with F# – Part 1 [Episode 001]
• Dependent Types and Multi-monadic Effects in F*
• Data Science Helps Build Strategic Advantage — Jamie Dixon on Technology
• C# Today and Tomorrow – Mads Torgersen

Blogs

• Goodbye, Object Oriented Programming – Charles Scalfani
• An F# Akka.NET actor example for pub-sub pattern with NATS server – Сarsten Jørgensen
• F#: Checkers Kata Retrospective -Scott Nimrod
• F# vs Clojure: new paradigms for old platforms -Noel Herrick
• Understand Xamarin Forms Data bindings with F# – Kimserey Lam
• Fable |> Fetch – HTTP calls in JavaScript apps with F# – Steffen Forkmann
• 60 Days of Euler in F# – Problem 2 – Bryan Slatner
• How to parse a Git log with FParsec – Leif Battermann
• 60 Days of Euler in F# – Problem 3 – – Bryan Slatner
• Fable |> React – Running a F# Sudoku solver everywhere – Steffen Forkmann

F# vNext

• Sprint 104 Summary
• Merged: Faster array filter and array choose
• Merged: More Efficient algorithm for List.pairwise
• Merged: Implement implicit converter for F# optionals
• New PR: Enabled debugging services in Roslyn branch
• Recently proposed ideas:
  • Literal sprintf

Open source projects

• Managed.Reflection for .NetCore

New Releases

• FSharp.Compiler.Service 6.0.2
• FSharp.Data.Xsd 0.0.7
• Trustpilot.FSharp.Flow 0.5.0
• Logary.Targets.Elmah.Io 4.0.60

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

Previous F# Weekly edition – #32

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# for Fun and Profit is available as GitBook
• Announcing .NET Framework 4.6.2
• The week in .NET – 8/2/2016
• Few up-for-grabs issues for Forge (contribution guide)
• New iFsharp with Jupyter support alpha release!
• Logary now supports dynamic Logger generation for adapting to arbitrary
• Live C# coding coming to TryWebSharper

Videos/Presentations

• .NET Rocks: F# to Javascript with Tomas Petricek
• JavaScript Air Episode 034: Typed Functional Programming in JavaScript
• On .NET 8/4/2016 – Frank A. Krueger – Continuous – C# and F# IDE for the iPad
• ELC 2010: Rich Hickey and Joe Pamer – Perspectives on Clojure and F#
• Learning Haskell with Mark Seemann
• F# for Scala Developers – Alfonso Garcia-Caro
• IF YOU’RE NOT LIVE CODING, YOU’RE DEAD CODING! – Jeremy Chassaing
• Frank A. Krueger – Continuous – C# and F# IDE for the iPad

Blogs

• Fable |> React Native – Steffen Forkmann
• Create HTML componants for your WebSharper webapp with UI.Next template – Kimserey Lam
• Incremental construction of DFA in F# – Vyacheslav Chernykh
• Wox plugin using F# – Robin Ridderholt
• Building an OData service in F# using Entity Framework and Suave – Tamizh Vendan
• Comparing Scala to F# – Mikhail Shilkov
• F# in Numbers: A Look at the Annual F# Survey Results – Tomas Petricek
• JWithATwist From F# – Erling Hellenäs
• TypeShape: Practical Generic Programming in F# – Eirik Tsarpalis

F# vNext

• Merged: List.scan/mapi2/map3 algorithm improvements
• Merged: F# RFC FS-1020 – byref returns
• Merged: Eliminate closure allocations in checkPathForIllegalChars
• Merged: Iterate directly over index ranges in EditDistance
• Recently proposed ideas:
  • Support isNull when querying the built-in SQL type providers

Open source projects

• functional-mvvm – A demo of a GUI application with an MVVM-like architecture where model and view model are purely functional
• FSharp.Data.Xsd – XML Type Provider with schema support
• TypeShape – Practical generic programming for F#
• AzureDocumentDbTypeProvider – F# Type Provider for Azure DocumentDb
• SIMDArray – SIMD enhanced Array operations

New Releases

• FSharp.Compiler.Tools 4.0.1.10
• FSharp.Azure .StorageTypeProvider 1.6.1
• FSharp.Data.Xsd 0.0.5
• FSharp.Formatting 3.0.0-beta01

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

Previous F# Weekly edition – #31

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Visual F# Update To Include .NET Core Project Editing, Compiling
• Microsoft talks about upcoming tools update to support F# 4.1
• The week in .NET – 7/26/2016
• .NET Support and Versioning
• Introducing Jupyter Notebooks in Azure ML Studio

Videos/Presentations

• R for the .NET Developer with Jamie Dixon and Evelina Gabasova
• Episode 439: Adam Granicz on WebSharper
• Category Theory for the Working Hacker – Philip Wadler

Blogs

• Working with F# projects in VSCode – Krzysztof Cieślak
• Approximate your spending pattern using Gradient descent in FSharp – Kimserey Lam
• Q&A on Akka.NET 1.1 with Aaron Stannard – Pierre-Luc Maheu
• Workshop Recap: Expressing Intent with F# with Tomas Petricek -By Erich Ess and Nora Jones
• My first month working with F# daily – Iuri L Machado
• NUnit 2 vs NUnit 3. What you need to know – Dave Bush
• It might be worth learning an ML-family language – David R. MacIver
• A Modern Architecture for FP – John A De Goes
• The Rust Platform – Aaron Turon

F# vNext

• A Peek into F# 4.1
• Merged: RFC FS-1006 Struct Tuples and Interop with C# 7.0 Tuples
• Recently proposed ideas:
  • Have TypeProviderConfig.IsHostedExecution = true for type providers instantiated in *.fsx files
  • Add a warning for new keyword used on types which are not IDisposable

Open source projects

• fsharp-starter-kit – Cross-platform web development with Visual Studio Code, C#, F#, JS, ASP.NET Core, EF Core, React (ReactJS), Babel and Webpack. Demo
• fable-react_native-demo – Demo of Fable with React Native for cross platform native mobile apps

New Releases

• FSharp.Control.AsyncSeq 2.0.9
• Logary 4.0.20
• FAKE 4.35.1
• FSharpApiSearch 1.0.0
• FSharp.Data.Xsd 0.0.1

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

Previous F# Weekly edition – #30