F# Weekly #45, 2014

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Legally establishing the F# Software Foundation – FSSF needs your help.
• F# Advent Calendar 2014.
• FsReveal has just moved to fsprojects on GitHub.
• Elucidate – an alternative reading mode that renders markdown interspersed in code.
• XPlot – a data visualization package for F# powered by popular JavaScript charting libraries.
• Xamarin for Students is FREE.
• Prototyping FSharpSupport for ASP.NET vNext.
• BSON type provider was presented.
• mForex.API.FSharp – an official F# binding for mForex API.
• New type provider opportunity “JSON-LD Type Provider“.

Videos/Presentations/Courses

• Functionland: A Romance of Many Paradigms – Troy Kershaw.
• F# Introduction by Jorge Fioranelli.
• Реактивное Программирование Роботов с помощью Fsharp и Mono – Stas Fomin.
• F# on the Web. 0 to Production in 12 Weeks – Ryan Riley.
• A practical theory of language-integrated query – Philip Wadler.
• FSLAB: DOING DATA SCIENCE WITH F# – Tomas Petricek.
• TAKING YOUR CRAFT SERIOUSLY WITH F# – Tomas Petricek.

Blogs

• Loewensberg re-animated – Phil Trelford.
• Michael Newton presented his blog series “Typeprovider“.
• Recommended F# Beginner Resources – Mike Janger.
• Halloween Project (Garage Of Mystery) – Jamie Dixon.
• Blogging with F# on GitHub Pages – Colin Bull.
• Flux Compression (Redux) – Dave Thomas.
• F# Workshop: Learning a New Language – Mjolner.
• Ring probabilities in F#.
• Programming for Google Cardboard on iOS using F# – Larry O’Brien.
• Month of spreading F# love in Poland – Michał Łusiak.
• Puzzle: prisoners and switches.
• Safer Programming with F# – Pattern Matching –  Ankit Solanki.
• Running F# on a PlayStation Vita – Anthony Brown.

F# vNext News

• Recently accepted PRs:
  • printf units of measure
  • sortdescending and sortwith
  • implement windowed
  • implement unfold
  • implement list.truncate and array.tr
• Recently proposed PRs (please review and comment):
  • add f# web templates
  • add the multiprojectwizard
• Recently proposed ideas:
  • Properly print ‘None’ for option types from FSI
  • Avoid boxing when comparing value types
  • Allow parameterless constructors in structs
  • Add a Option.getOrDefault method as a curryable alternative to defaultArg
  • An CLIVirtual attribute
  • (structural subtype) polymorphism for discriminated unions [similar to polymorphic variants in OCaml]
  • Allow negative indices in indexing and slicing like python
  • Do not lock type provider dlls when compiling and by VS editor
  • Warn when literal attribute is used with lowercase name
  • Allow to declare new types inside functions
  • Code Contracts support

New releases

• Paket v0.13.0-alpha00 with FSI support.
• FAKE 3.9.0 with support of  Xamarin iOS archiving helper and x64 packages.
• FSPowerTools: v1.6.1 with Task List comments, major updates on Go to Metadata and many improvements.
• FSharp.Compiler.Service 0.0.76.
• FSharp.TypeProviders.StarterPack 1.1.3.50.
• Streams v0.2.5 with a new push/pull design and new pull-based combinators Stream.toSeq/zipWith.
• Aardvark.Base.FSharp v1.0.5.
• Accepted fsharp 3.1.1.26+dfsg2-3.
• Nu Game Engine Release v0.991.
• FSharp.Azure v1.0.1.

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

Previous F# Weekly edition – #44