F# Weekly #35, 2014

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Do not waste your time and jump in F# OSS development starting from Up For Grabs issues.
• Visual F# PowerTools v1.4.5 are published with fixes for annoying bugs on F# project system and unused opens.
• FAKE 3.4 is released with a HipChat notification helper, fixes to FAKE.Deploy, and some Xamarin.iOS and Xamarin.Android helpers.
• F# semantic syntax highlighting is available in Xamarin Studio!
• Reed Copsey, Jr. is posted an update on the F# logo project.
• Taha Hachana is shared “Creating Google Maps charts with FsPlot“.
• Check out the F# sessions at October’s SVCC.
• “Circular Calculations” is a new F# Coding Dojo from Liam McLennan.
• iFSharp Notebook v2.0.1 is released.
• FSharp.Data v2.0.14 is out.

Core and Lang News

• Please take a look at FAKE script for Visual F#, try it and comment.
• Recently accepted PRs:
  • “fix error message in set” by Jack Pappas.
  • “F# Interactive freezes when printing values with very long lines” by Vladimir Matveev.
  • “instruction identifiers should be marked as literals to help the compiler optimize code using them” by Jack Pappas.
  • “change verifyseqsequal error message” by Patrick McDonald.
  • “optimizer literals” by Jack Pappas.
• Recently proposed PRs (Please review and comment):
  • “perf. optimization – seq.toarray” by ReedCopsey.
  • “change verifyseqsequal error message” by Patrick MacDonald.
  • “implement seq.permute” by Patrick MacDonald.
  • “fix message of warning fs2003” by esada.
  • “help first time users of fsi” by esada
• Mårten Rånge works on performance optimizations for F# expression.

Videos/Presentations/Courses

• “FParsec Hands On – F#unctional Londoners 2014” by Phillip Trelford.
• “Write Clean Code using the Pipelining Operator in F#” with Jorge Fioranelli.
• “F# News – Aug-2014” with Troy Kershaw.

Blogs

• Amir Barylko blogged “Acceptance Testing Made Easy with F# and Canopy Why acceptance testing?“.
• Mårten Rånge wrote about “Abstractions vs Performance, a compiler perspective“.
• Ryan Riley posted “Bundling and Minification with Web Essentials“.
• Larry O’Brien blogged “Xamarin.Forms Programming in F#“.
• Steve Link wrote about “Developing an ISeries Intranet Based LOB Application“.
• Karlkim Suwanmongkol posted “Trying numl on OSX with F# and Xamarin“.
• David Falkner blogged “Reason #714 that I’m loving F#: Discriminated Unions“.
• Andrea Magnorsky wrote “F#n and games“.
• Phil Trelford posted “FParsec Tutorial“.
• Alex Hardwicke blogged “Pattern Matching“.
• masuda wrote “最新の FsYacc/lex 環境で chulang を作成するときのメモ“.
• htid46 shared “F# のデバッグ方法 #fsharp“.
• masuda posted “TypeProviderで生成したクラスをC#で使うための方法“.

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

Previous F# Weekly edition – #34