F# Weekly #44, 2014

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• F# project file parsing now in FSharp.Compiler.Service.
• Proposal for F# community awards: we welcome your feedback.
• F# support is #1 feature request in ASP.NET vNext.
• .mat file Type Provider was presented.
• FsReveal presentation notes were announced.
• WebSharper now has forums.
• DiffSharp – an automatic differentiation library for F#.
• Do you use FsPickler? Please submit your projects/testimonials.
• CSV Type provider in FSharp.Data allows units of measure.
• COM Type Provider for F#.
• Katana & WebAPI templates now available in the F# MVC 5 templates.

Videos/Presentations/Courses

• F# Type Providers – Hadi Eskandari.
• FSCL: homogeneous programming and execution for heterogeneous platforms – Gabriele Cocco.
• Introduction to F# (Spanish – Madrid F# Meetup) (+slides)

Blogs

• Scott Wlaschin blogged:
  • Calculator Walkthrough: Part 1
  • Calculator Walkthrough: Part 2
  • Calculator Walkthrough: Part 3
  • Calculator Walkthrough: Part 4
• Building forms fast using Formlets – Mårten Rånge.
• Progressive F# Tutorials London 2014 – Phil Trelford.
• Some completely useless fun with the logistic map – Mathias Brandewinder.
• Parsing Microsoft MVP Pages Part 2 – Jamie Dixon.
• Using Exercism.io to Grok F# – Mike Janger.
• Implementing an F# Signal Generator – Liam McLennan.
• F# Community Projects – Jon Wood.
• Project reference resolution using FSharp.Compiler.Service – Robin Neatherway.
• FSharp : Welcome into the Functional Programming – Julien Fiaffé
• Experiences using F# in VsVim – Jared Parsons.
• New Project Templates in the F# MVC 5 Package – Daniel Mohl.
• Basic astronomy databases with FSharp – Matthew Sottile.
• Animating Lohse – Phil Trelford.
• 函数型なんたらの集い 2014 in Tokyo – bleis-tift.

F# vNext News

• Recently accepted PRs:
  • simple optimizations for sha-1 calc
  • implementing trylast
  • perf. optimization for seq.tolist
  • optimization for array.sub
  • implement seq.scanback
  • implement mapfold and mapfoldback
  • implement indexed
• Recently proposed PRs (please review and comment):
  • implicit quotation of meth args
  • static params for provided methods
  • rational exponents for units
  • set boundary for console.cursortop
• Recently proposed ideas:
  • Accept integer literals like 12_345 for readability
  • Add slicing syntax to F# lists

New releases

• Paket v0.11.0.
• FAKE 3.8.0 with support of  xUnit 2, MS DynNAV 2015
• FSharp.Compiler.Service 0.0.74.
• FSharpLint v0.1.6.
• CloudSharper v0.9.22.0.
• FsPlot v0.6
• F# mode for Emacs v20141030.413.
• fsharp 3.1.1.26+dfsg2-2
• Suave.io v0.17.
• FSharp.Quotations.Evaluator v1.0.2.
• FSharp.Data v2.1.0.

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

Previous F# Weekly edition – #43