F# Weekly #11, 2016

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F#TV Gazette February edition (Sign up here for early access to the gazette)
• Join the F#ools’ Day Party and destroy the myth that “F# is for Math and Science”!
• Meet FsUnitTyped for NUnit – statically typed operators for your unit tests. Please try it and share your thoughts!
• New F# REPL is coming (2).
• New F# Book: F# for Machine Learning Essentials
• Chapter 4 (State machines) of Reactive Applications with Akka.Net is now available through MEAP
• Beta: Start Programming With F# Today
• FSharp.Data.SqlClient TypeProvider now uses statically parameterized methods
• Lot of new up-for-grabs issues in fsprojects/Forge
• The week in .NET – 3/8/2016

Videos/Presentations

• Path to F# and NGO Fraudbuster with Jacqueline Homan
• F# with .NET Core and CLI with Enrico Sada
• On .NET 3/3/2016 – Rachel Reese on F# at Jet.com
• The Joy of Functional GameDev Project 2 Episode 25 – Ernest Pazera
• The Joy of Functional GameDev Project 2 Episode 26 – Ernest Pazera

Blogs

• Type Provider Pro-Tip: Using Dictionary – Michael Newton
• Converting a DSL to Executable F# Code On-the-Fly, Part 2 – Mathias Brandewinder
• Building Emulators in F# – Dave Thomas
• Events for Distributed Real-Time Computation –  Kaitlynn Reid
• Why F#? – Karthik Chintala
• GPUs and Domain Specific Languages for Life Insurance Modeling – Daniel Egloff
• Sneak preview of upcoming AleaGPU version 3 – Daniel Egloff
• Cross-platform F# developers get a dose of Ionide – Paul Krill
• Create forms with Websharper.Forms -Kimserey Lam
• How to Daxif, plug-in synchronization (technical stuff) – Ramón Soto Mathiesen
• Playing in F# [Desiderius part 11] –  felienne

F# vNext

• Created F# Language Design RFCs:
  • F# RFC FS-1009 – Allow mutually referential types and modules over larger scopes within files
• Recently proposed ideas:
  • add a keyword for module-local construction but public deconstruction of types
  • Support partial record prototypes
  • Code clarity: Make syntax for sequence expressions as simple as syntax for lists
  • Code clarity: To change the default value returned by function Unchecked.defaultof<string> to “” from null
  • Make Set.count O(1)
  • Add Map.count
  • Allow record inheritance / multiple “inheritance”
  • Allow overloads of custom keywords in computation expressions
  • Allow record types to implement interfaces just by adding the interface name when compatible
  • allow use to not bind the expression to a name
  • Hide Obsolete warnings on record initializer not using the obsolete field.

Open source projects

• FSharp.Core.Fluent – A collection of inlined methods allowing fluent access to all FSharp.Core functions for List, Array, Array2D, Array3D, Seq, Event and Observable.
• Prime – An F# code library for hardcore pure functional programming, and much more
• Bugfree.SharePoint.Analyzer – Projects SharePoint’s hierarchical metadata model onto a relational one for fast exploratory queries.
• FsActorApp – Serivce Fabric Reliable Actors in Fsharp

New Releases

• FsUnit 2.1.0 is out with support of NUnit 3.2 and pretty-print of F# value types
• ExcelFinancialFunctions 2.3.1 (portable version)
• FSharp.Core.Extra 0.1.52

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

Previous F# Weekly edition – #10