F# Weekly #42, 2014

Welcome to F# Weekly,

A roundup of F# content from past weeks:

News

• MBrace framework is now open source – join the community.
• Amyris won presidential green chem award for Farnesane. This is an (very applied) F# application.
• Are you using FsCheck from C#? Care to write a little documentation?
• Feel free to jump into the SO F# chat and ask questions!
• Initial version of ProjectScaffold docs was published.
• Barcelona F# Meetup Group & Kyiv F# User Group were registered.
• Confirmed that Visual F# Power Tools Rename works with ReSharper 9.
• iFSharp now has intellisense for `r` and `load` directives.
• F# package for AWS DynamoDb has progressed a lot recently.
• Natallie Baikevich presented the first draft of .mat type provider.

Videos/Presentations/Courses

• Event-driven services via F# and EventStore with Lev Gorodinski
• Functional Programming – Erik Meijer.

Blogs

• Hacking the Dream Cheeky Thunder Missile Launcher, Part 2 – Jamie Dixon.
• Retrieving GitHub download counts – Steffen Forkmann.
• 24hrs in F# – Phil Trelford.
• 10 Reasons To Use F# – Jon Wood.
• More F#, Xamarin.Forms and MVVM – Brad Pillow.
• Programmatic access to project references using MSBuild APIs on .NET and Mono – Robin Neatherway.
• Classic mashup: An FSharp coding dojo – Richard Gibson.
• Bird Watching with Clojure — The Thrush(y) – Mike Harris.
• Project Euler – Problem 61 Solution – Yan Cui.
• Project Euler – Problem 80 Solution– Yan Cui.
• Project Euler – Problem 64 Solution– Yan Cui.
• Project Euler – Problem 68 Solution– Yan Cui.
• Xamarin Studio 5 – Robert Nielsen.
• Print out the maximum depth of recursion allowed – Jef Claes.
• Getting a WebSharper project up and running on Mac OS X – Mike Janger.
• F# – Katrina Owen.
• Expresiones de consulta en F# – Alex Casquete.

F# vNext News

• Recently accepted PRs:
  • “improved debuggertypeproxy for map” by Jack Pappas.
  • “hash/eq/distinct/group perf” by Don Syme.
  • “doc cleanup” by Don Syme.
  • “fix incorrect code gen for uom” by Vladimir Matveev.
  • “implementing “tryitem”” by Max Malook.
  • “implementing “item”” by Max Malook.
  • “option.filter (re-issue)” by Mark Seemann.
• Recently proposed PRs (please review and comment):
  • add an active pattern for decimal by Veritax.
  • made mutables automatically boxed by Matthew Parkinson.
  • provide asyncdownloadfile and -data by mexx24.
• Recently proposed ideas:
  • Improve F# Project System
  • Record types can be marked with the Struct attribute
  • Add AsyncSeq, a sequence where each item is fetched asynchronously
  • Move user settings out of .fsproj file
  • Add an active pattern to match constant decimal in quotations

New releases

• FSharp.Compiler.Service 0.0.71 (with project file parser and some API renaming).
• Paket 0.8.6 (release notes).
• FSharp.Formatting and FSharp.Formatting.CommandTool 2.4.33.
• FSharp.Control.Reactive 2.4.0.
• FSharp.Data.SqlClient 1.4.1.
• FSharp.Desktop.UI 0.7.0.
• FAKE – 3.6-3.7.
• CloudSharper 0.9.20.3.
• fsharp 3.1.1.26+dfsg2-1
• Stacks FSharp 1.0.1

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

Previous F# Weekly edition – #39-41