Daniel Santa Cruz | 21 Feb 05:05 2013
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Haskell Weekly News: Issue 259

Welcome to issue 259 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of February 10 to 16, 2013.

Quotes of the Week

   * frerich: i thought endo is where the ewoks live
 
   * edwardk: on the other hand i also write excessively polymorphic
       code

Top Reddit Stories

   * Comonads are objects
     Domain: haskellforall.com, Score: 105, Comments: 86
     On Reddit: [1] http://goo.gl/ssFWD
     Original: [2] http://goo.gl/ADN3k

   * GHC HEAD now has OverloadedLists as an extension - allowing you to more 
     easily specify literal Maps, Text, Vector, ByteString etc values.
     Domain: hackage.haskell.org, Score: 86, Comments: 66
     On Reddit: [3] http://goo.gl/tVmBE
     Original: [4] http://goo.gl/m08GR

   * GHC HEAD: new parallel I/O manager merged
     Domain: haskell.org, Score: 67, Comments: 39
     On Reddit: [5] http://goo.gl/HX04c
     Original: [6] http://goo.gl/j8AaN

   * The Algebra of Algebraic Data Types (Part I)
     Domain: chris-taylor.github.com, Score: 51, Comments: 23
     On Reddit: [7] http://goo.gl/9WjrL
     Original: [8] http://goo.gl/Jyco0

   * deprecation rage :: hpaste
     Domain: hpaste.org, Score: 49, Comments: 9
     On Reddit: [9] http://goo.gl/ycHWD
     Original: [10] http://goo.gl/KAdsV

   * Github incorrectly recognizes haskell code as perl thus making language 
     usage studies based on github useless.
     Domain: github.com, Score: 45, Comments: 45
     On Reddit: [11] http://goo.gl/WQN38
     Original: [12] http://goo.gl/jfpeH

   * StackOverflow [haskell] hits 10k questions!
     Domain: imgur.com, Score: 41, Comments: 31
     On Reddit: [13] http://goo.gl/znqwX
     Original: [14] http://goo.gl/cdm3C

   * Don Stewart provides a great concise overview of the many areas of 
     Haskell performance analysis
     Domain: stackoverflow.com, Score: 39, Comments: 1
     On Reddit: [15] http://goo.gl/W9AOL
     Original: [16] http://goo.gl/nC6Mk

   * The Algebra of Algebraic Data Types, Part 2
     Domain: chris-taylor.github.com, Score: 37, Comments: 9
     On Reddit: [17] http://goo.gl/VHUjp
     Original: [18] http://goo.gl/mk95s

   * Upcoming conduit 1.0 & comparison to pipes & io-streams
     Domain: yesodweb.com, Score: 32, Comments: 11
     On Reddit: [19] http://goo.gl/dbnpi
     Original: [20] http://goo.gl/8RHfb

   * Library: A collection of tools for processing PDF files in Haskell
     Domain: github.com, Score: 31, Comments: 38
     On Reddit: [21] http://goo.gl/BtpFw
     Original: [22] http://goo.gl/loL4n

   * Introduction to Haskell, Lecture 5 is Live (Creating Data Types)
     Domain: shuklan.com, Score: 29, Comments: 2
     On Reddit: [23] http://goo.gl/h2q3G
     Original: [24] http://goo.gl/ASx0B

   * FP Complete Hiring for Haskell evangelist / customer and community 
     relations advocate
     Domain: haskellers.com, Score: 28, Comments: 0
     On Reddit: [25] http://goo.gl/g2nic
     Original: [26] http://goo.gl/di728

   * Quick and Easy DSLs with Writer Endo
     Domain: ocharles.org.uk, Score: 22, Comments: 17
     On Reddit: [27] http://goo.gl/6p43B
     Original: [28] http://goo.gl/p8aX4

Top StackOverflow Questions

   * Least-strict (*)
     votes: 17, answers: 2
     Read on SO: [29] http://goo.gl/tHzUf

   * Referential transparency with polymorphism in Haskell
     votes: 14, answers: 1
     Read on SO: [30] http://goo.gl/PyBgK

   * Truncating to Word type
     votes: 11, answers: 1
     Read on SO: [31] http://goo.gl/C4wwu

   * Is there a generalization of these Free-like constructions?
     votes: 11, answers: 0
     Read on SO: [32] http://goo.gl/WLb7S

   * How fast is Data.Sequence.Seq compared to []?
     votes: 9, answers: 1
     Read on SO: [33] http://goo.gl/d0x2d

   * Does FreeT keep the equational reasoning benefits of Free?
     votes: 9, answers: 1
     Read on SO: [34] http://goo.gl/7vu37

   * Understanding recursion in Haskell
     votes: 7, answers: 5
     Read on SO: [35] http://goo.gl/I2SBM

   * What laws are the standard Haskell type classes expected to uphold?
     votes: 7, answers: 2
     Read on SO: [36] http://goo.gl/FqQ5J

   * What does (== “ ”) mean, in Haskell?
     votes: 7, answers: 4
     Read on SO: [37] http://goo.gl/EecMz

   * Linking separate projects in GHC
     votes: 7, answers: 1
     Read on SO: [38] http://goo.gl/ZjVao

   * What are structures with “subtraction” but no inverse?
     votes: 7, answers: 1
     Read on SO: [39] http://goo.gl/SaQ66

Until next time,
+Daniel Santa Cruz

References


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