[Haskell] Haskell Weekly News: Issue 220
Daniel Santa Cruz
dstcruz at gmail.com
Thu Mar 29 04:16:48 CEST 2012
Welcome to issue 220 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of March 18 to 24, 2012.
Quotes of the Week
* shachaf: Type classes are a scary story that you tell new
Haskellers so they can go to sleep at night.
* acowley: Parametric polymorphism is the inspiring story you tell
them to get them riled up and raring to go.
It's like Braveheart for programmers.
* monochrom: the purpose of types is to ban more programs
* rostayob: I was a type constructor, then I took an arrow in the
* shachaf: @let otherfoolish = not otherwise
* flebron: Monoidal objects in the monoidal category of endofunctors
on a category. I took a small detour through tensor
products to understand monoidal categories better, with
one example of such a product.
mauke: I have no idea what you just said
* weexplat: starts a proposal to replace launchMissiles with
* monochrom: rumour: SPJ will write a thick book "A New Science of
* JonathanShapiro: [on abandoning BitC] "And I *still* don't believe
in monads. :-)"
Top Reddit Stories
* Starting the Mezzo Haskell Book
Domain: yesodweb.com, Score: 58, Comments: 28
On Reddit:  http://goo.gl/pOSlR
Original:  http://goo.gl/ecy4O
* First patches for iPhone cross compiler against GHC head
Domain: haskell.org, Score: 55, Comments: 27
On Reddit:  http://goo.gl/OOAai
Original:  http://goo.gl/p7C3L
* Retrospective thoughts on BitC by its author, and why type classes
didn't work for him
Domain: coyotos.org, Score: 44, Comments: 22
On Reddit:  http://goo.gl/0sL80
Original:  http://goo.gl/5pCp2
* Google Summer of Code 2012 - Haskell.org is participating
Domain: haskell.org, Score: 42, Comments: 11
On Reddit:  http://goo.gl/9EwzD
Original:  http://goo.gl/XqcUJ
* Conduits vs. Pipes. Using Void as an Input or Output type can reduce
the number of concepts (source, sink, conduit) from 3 to 1 (pipe).
Domain: twanvl.nl, Score: 34, Comments: 50
On Reddit:  http://goo.gl/bc8RB
Original:  http://goo.gl/eb7oz
* Announcing conduit 0.3
Domain: yesodweb.com, Score: 33, Comments: 9
On Reddit:  http://goo.gl/JrgV0
Original:  http://goo.gl/OsDl7
* Haskell for embedded domain-specific languages (Functional Programming
Domain: skillsmatter.com, Score: 31, Comments: 4
On Reddit:  http://goo.gl/pSREX
Original:  http://goo.gl/1azVh
* Domain theory course
Domain: cs.nott.ac.uk, Score: 31, Comments: 5
On Reddit:  http://goo.gl/5VHyG
Original:  http://goo.gl/o2pRC
* ANNOUNCE: options, an easy-to-use command-line option parser
Domain: self.haskell, Score: 29, Comments: 21
On Reddit:  http://goo.gl/s6ktw
Original:  http://goo.gl/s6ktw
* A Case Study in Creating Rich Internet Apps in Haskell (Silk at FP
Domain: skillsmatter.com, Score: 22, Comments: 18
On Reddit:  http://goo.gl/ZdtDq
Original:  http://goo.gl/Ta2HQ
* It just occurred to me that (lift .) defines a functor...
Domain: self.haskell, Score: 22, Comments: 15
On Reddit:  http://goo.gl/GMzPt
Original:  http://goo.gl/GMzPt
Top StackOverflow Questions
* Haskell platform: nested functions and optimization
votes: 15, answers: 2
Read on SO:  http://goo.gl/nreIr
* newtype with RankNTypes
votes: 14, answers: 2
Read on SO:  http://goo.gl/UT9DV
* Pattern Matching - Prolog Vs Haskell
votes: 13, answers: 4
Read on SO:  http://goo.gl/3hZV1
* How does this definition of ArrowLoop.loop work?
votes: 13, answers: 2
Read on SO:  http://goo.gl/ocSCM
* Data.Set : does it always know best?
votes: 12, answers: 2
Read on SO:  http://goo.gl/NUjkB
* Building a histogram with haskell, many times slower than with python
votes: 11, answers: 3
Read on SO:  http://goo.gl/kbh5i
* What is the scope of let when used without in?
votes: 11, answers: 2
Read on SO:  http://goo.gl/bNwna
* Strange "half to even" rounding in different languages [closed]
votes: 11, answers: 3
Read on SO:  http://goo.gl/lnPch
* Practical reasons for Сhurch Encoding
votes: 10, answers: 1
Read on SO:  http://goo.gl/xYoef
* Can the FFI deal with arrays? If so, how?
votes: 9, answers: 3
Read on SO:  http://goo.gl/d4R3H
Until next time,
Daniel Santa Cruz
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