Sergey Tihon's Blog

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Elmish Tutorial
• JetTechnology’s blog is up!
• Announcing ML.NET  0.3
• System.IO.Pipelines: High performance IO in .NET
• .NET Framework 4.7.2 is available on Windows Update, WSUS and MU Catalog
• IL Linker — Help us build the best experience!

Videos & Slides

• TechDays 2017 – Bart de Smet – Writing High Performance Code in .NET
• A gentle introduction to F# – Klaras Parlor by Roman Sachse
  • Episode 1 – Intro, Values, Value Bindings, REPL
  • Episode 2 – Functions
  • Episode 3 – Function Composition
  • Episode 4 – Expressions, If/Else, Pipes
  • Episode 5 – Lists, List Functions, Lambdas
  • Episode 6 – Discriminated Unions, Pattern Matching
  • Episode 7 – Recursion, Discriminated Unions Part 2
  • Episode 8 – Records

Blogs

• Racing the Zebra — Benchmark Performance Architecture for F# Web Server – Gerard
• Presentations and Talks covering ‘.NET Internals’ – Matt Warren
• Donkey-Pong – Sandeep Chandra
• Donkey-Pong using Xamarin – Sandeep Chandra
• Create JavaScript libraries from your C# or F# code – András Jankó
• Failure Is Not An Option (In F#) – Daniel Markham
• The #FSharp way: how to write a log – giuliohome
• Teachers Of Functional Programming: Stop Driving Me Crazy With Math Problems! – Daniel Markham

F# vNext:

• What are your thoughts on paying your bills vs. supporting open source?
• The official F# docker images are now published with arm32v7 and arm64v8 support in addition to the existing amd64!
• New ideas:
  • Provide a way for C#/.NET to use records’ copy-and-update functionality

Open source projects

• teo-tsirpanis/Farkle – A LALR parser for F# (and other .NET languages)
• LambdaFactory/Tennis – Simple, static content server for developers
• zenprotocol/zenprotocol – “Zen Protocol is a new type of blockchain, written from scratch in F#, with a contracting language in F*.”
• FSharp.EFCore.OptionConverter – A value converter that maps nullable database columns to F# option fields/properties

New Releases

• Saturn 0.7
• Expecto v8.2.0
• dotnet- fantomas 2.8.0
• FusionTasks 2.0.0
• WebSharper 4.4
• Rider 2018.2 EAP 2

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

Previous F# Weekly edition – #27, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Printed version of Concurrency in .NET is out!
• Discuss future of Forge 3.0
• FSharpx.Collections 2.0 coming soon
• TrivialBehinds: a new small lib for Windows Forms development (in F#), approach feedback requested
• .NET Core 2.1 June Update

Videos & Slides

• July 6, 2018 – F# Friday – Back in the saddle and working on a serverless Azure application
• Developer Friendly Machine Learning with F# – Michal Lusiak
• Ukulele tabs in F# – Jérémie Chassaing

Blogs

• On the topic of tail calls in .NET – Mårten Rånge
• Creating Azure WebJobs in F# – John Ruble
• FSharp: Learning to use FAKE and Paket – Mihir Karandikar
• Function Overloading Five Ways in F# – Daniel Markham
• Learning F# — Part 8 — dotnet – Vijesh Salian
• Pipelines – a guided tour of the new IO API in .NET, part 1 – Marc Gravell
• .NET JIT and CLR – Joined at the Hip – Matt Warren‏
• Fantomas global cli tool – Florian Verdonck

F# vNext:

• Deedle is green again!
• Visual F# 15.8 scope.
• New ideas:
  • Add the ability to quote code as an abstract syntax tree

Open source projects

• Szer/Hopac.IO – Standard IO operations with Hopac Jobs
• cxa/Mu – Apply The Elm Architecture pattern on Xamarin stack, with another simple, unobtrusive way
• Krzysztof-Cieslak/Fornax – Static site generator using type safe F# DSL to define page templates
• Cvdm.ErrorHandling – AsyncResult and Result computation expressions and helper functions for error handling in F#
• gsomix/foxy – Experimental F# eDSL for OxyPlot charting library

New Releases

• Saturn 0.6.0
• Cvdm. ErrorHandling 1.0.0
• Rider 2018.2 EAP (Solution Explorer and Project Model)
• Visual Studio Code 1.25

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

Previous F# Weekly edition – #26, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• ASP.NET Core 2.2 Roadmap
• Visual Studio 2017 version 15.8 Preview 3
• Newtonsoft.Json enabling Source Link
• Static website hosting for Azure Storage now in public preview
• Don Syme’s (F# creator) opinion about C# new feature – default methods implementation in interfaces

Videos & Slides

• ML.NET with John Alexander – .NET Rocks

Blogs

• F# Async Guide – Lev Gorodinski
• Concurrent Programming in Fsharp Using Hopac – Part 7 – Demystify FP
• Learning F# — Part 7 — rec – Vijesh Salian
• Magical domain modelling with F# – Chester Burbidge
• How to use .NET Standard 2.0 NuGet packages with F# Interactive – Jon Sagara
• Creating Azure WebJobs in F# – John Ruble
• F# and ML.Net Classification – codesuji

F# vNext:

• New ideas:
  • Add union match patterns to Expr
  • Add support for recording fixity in quoted literals

Open source projects

• markpattison/fsharp-monogame – A sample solution using MonoGame with F#, incorporating Paket and FAKE 5.
• Nhowka/Elmish.Bridge – Create client-server Fable-Elmish apps keeping a single mindset

New Releases

• FsConfig 2.0.0
• WebSharper 4.3 released with pure .NET Core support
• FusionTasks 2.0.0 (F# 4.5, .NET Standard 2.0 and .NET Core 2.0)

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

Previous F# Weekly edition – #25, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• The F# Giraffe framework on AspNetCore is looking good for its first TFBenchmarks run!
• Suave was removed from recommended options on the SAFE stack
• The FAKE 5 migration guide
• Cosmos DB (DocumentDB) Bindings with F# code samples
• FAKE 5 Build Task Tool Brings .NET Core Support
• Orleans Contribution idea: Proper support for F#
• Xamarin.Forms 3.1.0
• .NET Core 2.1.1
• Staying up-to-date with .NET Container Images
• The RyuJIT transition is complete!
• .NET Core 2.0 will reach End of Life on September 1, 2018

Videos & Slides

• Web API development with F# on .NET Core – Cecil Phillip, KathyHickman
• The F# Path to Relaxation by Don Syme
• June 22, 2018 – F# Friday! Writing Azure functions and GitHub WebHooks with F# – Jeffrey T. Fritz
• Tachyus Pitch – MSFT Startup Showcase
• Developer On Fire Episode 348 | Alfonso Garcia-Caro – Linguistic Discovery
• WHY F# ? – @essiccf37

Blogs

• Using Rebus Service Bus from F# with DotNet Core – Sean Kearon
• No Free Monad for old men – Abe Mieres
• What the @ – fixing weirdness in return JSON from Azure functions using F# –  Jim Bennett
• Learning F# — Part 6— strings – Vijesh Salian
• Functional Adventures in F# – Event sourcing lessons learned – Eowind
• F# Async Guide – Lev Gorodinski
• Create JavaScript libraries from your C# or F# code –   András Jankó

F# vNext:

 

• New ideas:
  • Default interface methods
  • Don’t fail if the design time component of a library with Type Providers is missing, just give a warning.
  • Disallow “mutable” on byref<‘T> locals
  • Ternary equality / between comparator
  • Add a multi-value equality check

Open source projects

• Microsoft/Mobius – C# and F# language binding and extensions to Apache Spark
• vivainio/SqlFrags – Sql generator for F#

New Releases

• FAKE 5.1
• FSharp. Configuration 2.0.0-alpha2

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

Previous F# Weekly edition – #24, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Fable Conf 2018, 26-27 October, Berlin
• Announcing ML.NET 0.2
• Fable Ant Design
• F# frameworks to the TechEmpower tests (FSharp giraffe)
• VS2017 15.8 Preview 2 Improves CPU Profiling, F# Support
• FSharp.Formatting beta 11 not compatible with FAKE 5.0

Videos & Slides

• June 15, 2018 – F# Friday! Starting work on our Azure Functions project – Jeffrey T. Fritz
• Four Languages From Forty Years Ago – Scott Wlaschin
• F# and Fable: re-think web development – Maxime Mangel

Blogs

• Funogram: Writing Telegram Bots In F# – Artsyom
• SAFE part 1 – Data generation and table – Christophe Moinard
• Newcraft : Developer-friendly Machine Learning with F# – Aurélien Galtier
• Authenticate with an OAuth provider in your Giraffe application (.Net Core 2.1) – Eelco Mulder
• Classification with F# ML.NET Models – Luis Quintanilla
• End-To-End Testing Of Your Web Applications With Canopy – Bohdan Stupak
• Stand-alone scripts with FAKE CLI – Atle Rudshaug
• Learning F# with Vijesh Salian
  • Part 3 — Values
  • Part 4 — Functions
  • Part 5 — Hello

F# vNext:

• New ideas:
  • signature improvement for generics

Open source projects

• OpenAPIParser – Simple Open API F# Parser
• Suave.SerilogExtensions – Suave plugin to use the awesome Serilog library as the logger for your application
• Unquote – Write F# unit test assertions as quoted expressions, get step-by-step failure messages for free
• TheAngryByrd/dotnet-web-benchmarks – Benchmarks of popular .net web frameworks
• nutshellit/Blazor-Survey – A hybrid F#/C# blazor sample app to kick the tyres of blazor.

New Releases

• Expecto v8.1.0 (v8.0.0 unlisted due to licence error, please upgrade)
• Suave v2.4.0
• Elmish.Remoting 0.7.1
• WebSharper 4.2.14
• FSharp. Configuration 1.5.0

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

Previous F# Weekly edition – #23, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Announcing .NET Core 2.1
• What’s new in C# 7.3
• What’s planned for C# 8.0
• Logary’s F# Facade has been bumped to v4
• F# Friday?
• F# .NET Core programs versus Java
• F# .NET Core programs versus C# .NET Core
• FsConfig supports Discriminated Union Types
• Azure Functions: F# friendly/idiomatic API suggestions
• NUnit should support #fsharp’s async natively soon

Videos & Slides

• F# Friday! – Jeff Starts Learning F#

Blogs

• Introducing fuget.org – Frank A. Krueger
• Stacktrace improvements in .NET Core 2.1 – Ben Adams
• The lost art of data abstraction – Giacomo Citi
• Designing Data Objects in C# and F# – Yacoub Massad
• F# – railway-oriented-programming, my beef with seq<Result<‘a,’e>> to Result<‘a seq,’e> – Daniel Hardt
• The Expression Problem in .NET: The Duality of Object-Oriented and Functional Programming – Camden Reslink
• Writing .NET Core Global Tools with F# – Greg Shackles
• Magical domain modeling with F# – Chester Burbidge

Open source projects

• jackfoxy/RandomBits – .Net Standard Libray or random numbers from bits streamed from the ANU Quantum Random Numbers Server
• Zaid-Ajaj/Fable.SqlClient – Fable Node client for Microsoft SQL Server, built around a node-mssql binding
• deecewan/GenbankTypeProvider – A type provider for genetic sequences from Genbank

New Releases

• System. Reactive 4.0.0
• FSharpx.Collections 2.0.0-beta1
• FSharpx.Collections.Experimental 2.0.0-beta1
• New version of Ionide

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

Previous F# Weekly edition – #21, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• .NET Core 2.1 releasing next week, May 30
• FSharpx.Collections 2.0 release plan
• F# Tutorial on TutorialsPoint
• Do not miss your chance to contribute to Ionide!
• Awesome .NET open source and community resources!
• The 2nd edition of Writing High-Performance .NET Code is officially out!

Videos & Slides

• .NET Concept of the Week by Greg Kalapos
• What it’s like to be an active .NET Developer with Avi Avni 

Blogs

• Golden Search Algorithm in F# – Juan C LR
• Binomial Tree – Alexandre Brilhante
• End-to-end Testing of Your Web Applications with Canopy – Bohdan Stupak
• SAFE part 0 – How it works? – Christophe Moinard
• Build 2018: The Future of C# – Jonathan Allen
• Full Stack With Freya – ‏‏Michael Newton
• F# – a “simple” math formula solver or my first steps learning F# – Daniel Hardt
• Refactoring F# Imperative Code Towards Declarative – Bohdan Stupak
• Church encoding – Mark Seemann

F# vNext

• TypeProviders.SDK improvements:
  • Fixed: Generated types with custom attributes can cause incorrect references at runtime
  • Fixed: F# Type Provider slows down intellisense in Visual Studio 2017
• New RFCs:
  • F# RFC FS-1056 – Allow overloads of custom keywords in computation expressions

Open source projects

• fsprojects/FsRandom – A purely-functional random number generator framework designed for F#
• rspeele/Rezoom.SQL – Statically typechecks a common SQL dialect and translates it to various RDBMS backends
• Dzoukr/Fue – F# templating library with simple syntax designed for smooth work with F# types.
• elmish.calculator – Calculator written using Elmish.XamarinForms (full Elmish, no XAML)

New Releases

• FSharp.Azure.Storage v3 with .NET Standard 2.0 support
• FSharp. Data. SqlClient 1.8.5
• Akka.NET v1.3.7
• WebSharper 4.2.12
• Logary 5.0.0-beta.11

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

Previous F# Weekly edition – #20, 2018

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• New F# style guide
  • F# code formatting guidelines
  • F# coding conventions
  • F# component design guidelines
• Calculator was written using Elmish.XamarinForms (full Elmish, no XAML) Model = 20 lines, Update = 35 lines, View = 40 lines.

Videos & Slides

• What’s new in F# – On.NET
• Kevin and Michael Build a Totally Trademarked Word Game – Michael Newton
• MancFUG #008 – Railway Oriented Programming – Andrew Grant

Blogs

• Creating Summable Domain Types – Matthew Crews
• Finding your baby name with F# – Clément Boudereau
• Building Azure Functions With Precompiled F#
• Train A Deep Learning Model, Implement F# Generic Forward Propagation, Integrate It In Xamarin Forms Mobile App – Mathieu Clerici
• Azure Functions in F# (For Real) – Brian Vanderwal
• Why you should care about functional programming – Fiodar Sazanavets
• Functional Adventures in F# – Adding Snapshot Persisting – Eowind

F# vNext

• Compiler changes will now be included in nightly builds of F#tools of VisualStudio
• New RFCs:
  • F# RFC FS-1053 – voidptr, IsReadOnly structs, inref, outref, ByRefLike structs, byref extension members
  • F# RFC FS-1054 – permit undentation on [ … ] and [| … |]
  • F# RFC FS-1055 – subsumption for yield in sequence/list/array expressions
• New ideas:
  • Add type constraint: settable
  • Splice types into Quotations

Open source projects

• torhovland/blazor-redux – Connecting a Redux state store with Blazor.
• mechanic – F# File reordering tool
• elmish.remoting – Create client-server Fable-Elmish apps keeping a single mindset

New Releases

• MiniScaffold 0.9.0
• Hawk.Suave 6.0
• AkkaDotNET v1.3.7
• Http.fs v5.1
• fszmq 12.3.0
• WebSharper 4.2.11
• Logary 5.0.0-beta.7
• FSharp.Data.SqlClient 1.8.4

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

Previous F# Weekly edition – #19, 2018