F# Weekly #13, 2017

Welcome to F# Weekly,

A roundup of F# content from this past week:

News

• Programming in Hopac
• The week in .NET – Happy birthday .NET with Mads Torgersen, Coypu

Videos

• Exploring StackOverflow data – Evelina Gabasova
• Visualizing Olympic Medals with F# and Fable – Tomas Petricek
• Fellow Short Talks: Dr Tomas Petricek, The Alan Turing Institute

Blogs

• Why OO Matters (in F#) – Eirik Tsarpalis
• Answering “What’s for lunch?” using Azure Functions, F# and Slack – Martin Andersen
• Examining the F# Programming Language – David Bolton
• Make your pizzas taste better thanks to the F# Forward Pipe operator! – Youenn
• Understanding Fold – David Raab
• Prefer Continuations to API Classes in F# – Matthew Doig
• Building and deploying Azure WebJobs with F# – Robin Ridderholt
• Fable F#-to-JavaScript tool integrates with Microsoft .Net Core SDK – Paul Krill
• Will the real F# idioms please stand up? – Pablo Juan

F# vNext

• Visual F# Attributions
• Some comments on traits (and default interface implementations) from the F# perspective
• New F# lang suggestions:
  • New type: constrained type
  • Flow based null check analysis for [<AllowNullLiteralAttribute>] types and alike
• New RFC:
  • F# RFC FS-1030 – Anonymous Records

Open source projects

• Delegate.Sandbox – A library that provides a Computation Expression named SandboxBuilder, sandbox { return 42 }, which ensures that values returned from the computation are I/O side-effects safe and if not, they are marked as unsafe returning an exception.
• XamarinForms.Reactive.FSharp – A fluent interface for building Xamarin Forms apps using ReactiveUI and F#
• FsFIX – The Financial Information eXchange (FIX) Protocol in F#

New Releases

• Fable 1.0 beta
• Expecto v4.1.0
• Suave v2.0.5 released with a security fix and with dotnet 1.0.1 support

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

Previous F# Weekly edition – #12