#fsharp people

One simple way to help F# is to help us fill in basic F# code samples for all the F# core library functions. These should have been done long ago, but let's do them now!

Here's an example of the sort of thing that needs to be added: github.com/dotnet/fsharp/…
Once integrated, your examples will appear in the F# core library docs here fsharp.github.io/fsharp-core-do…
To make a contribution, simply send a pull request to github.com/dotnet/fsharp/. There's also some more information here: github.com/fsharp/fsharp-…
The next modules that need examples are the basics - List, Array, Seq, Map, Set, Operators, Reflection, Async, Task
A tracking issue covering this work is here: github.com/dotnet/fsharp/…

If you decide to help contribute, please drop a note there and we can discuss

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More from @dsymetweets

10 Sep
A farewell to Simon Peyton Jones as he leaves Microsoft Research

Subject: RE: New horizon
 
I would like to add a few words to what Chris has written.  I know I am also speaking for Mads, the current lead designer of C# (cc’d)
From 1997 to 2015, Simon PJ was pivotal in the Programming Principles and Tools group at MSR Cambridge.  The work of that group included major contributions to the research and practice of programming, a stream of seminal publications,..
... and succeeded in changing the conceptual foundation of programming for millions of programmers through direct contributions to Haskell, C# and F# - and transitively through profound influence on other languages.
Read 35 tweets
5 Dec 20
So this testimonial means a lot to me personally, I'll explain why.

@chaldal.com is a global company centred in Dhaka, Bangladesh. You can read more about them on their website.

I've long believed F# could have a strong role in up-tooling the software skills of developing nations, giving them a competitive advantage.
But for me, this one is also very personal.

In 1993 I had the opportunity to travel to Bangladesh, to visit my brother, who was working doing flood modelling on the internationally sponsored Flood Action Program.
Read 9 tweets
5 Dec 20
This testimonial is so good, so thoughtful I'm going to tweet it all.

"We're an F#-first company and I'd like to share our experience here..."

news.ycombinator.com/item?id=253089…
"All our new code is in F#, we started off from a C# codebase, so that made the transition somewhat manageable, as new F# code can be directly called from C#, and vice versa (still took over 2 years)..."
".... All new frontend apps are also being written in F# (using Fable), as of 6 months back, migrating away from TypeScript, this forces everyone into a "design your model first, and well" paradigm...."
Read 15 tweets
14 Aug 20
It's really strange what nonsense people put up with in C#.

This business where expression results are implicitly discarded from statements is just insane in the 21st century. So much information loss just waiting to happen without even a warning.
Other gaping holes in the C# design I've noticed this last week:

- no way to implement interfaces or abstract classes using an expression, meaning stupid extra classes

- no implicit construction for classes (to give another form of closure capture for object imlpementations)
- no expression form for generative list or sequence expressions (making HTML DSLs a mess among other things)

- dynamic is hell waiting to destroy your life
Read 10 tweets
5 Apr 20
Exponentials still have the capacity to shock me.

If mass wearing of masks make just 0.01 shift in the spread per day, from say 1.22x to 1.21x, there would now be ~20% fewer cases (and ~20% fewer deaths) in the UK since March 12.

I had to double check that multiple times.
This sort of result should have been hammered into our collective consciousness throughout February and early March. Every little effective intervention, widely adopted, saves many, many lives.
The thing is, that 0.01 difference accrues every single day, afresh - and slightly compounded too. Every day we do a small, effective intervention, we accrue it's life saving effect all over again. Every single day. All over again.
Read 9 tweets
21 Mar 20
This analysis of the last 12 days of UK decision making pretty much matches my guesses about what's been going on behind the scenes

buzzfeed.com/amphtml/alexwi…
12 days of infamy that will cost '000s of lives.

That Cummings and Vallance are allies doesn't surprise me at all. Things are on a slightly better track now but expect them to be back with herd immunity, and also to cover their tracks.

"the government had 'bet' the future of the UK on advice from a very small group of scientists that for a long time differed from the wider international consensus"
Read 7 tweets

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