[Haskell-cafe] Haskell Weekly News: Issue 315

Daniel Santa Cruz dstcruz at gmail.com
Thu Jan 22 05:01:54 UTC 2015


Welcome to issue 315 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers
from January 4 to 17, 2015

Quotes of the Week

   * mpickering: When is the right time to use Data.ByteString.Char8?
     edwardk: mpickering: some time around 1980

   * tpolecat: any lecture by conal elliott has that flavor. he is the
     bob ross of functional programming.

Top Reddit Stories

   * Write You a Haskell
     Domain: dev.stephendiehl.com, Score: 280, Comments: 24
     Original: [1] http://goo.gl/isSXWc
     On Reddit: [2] http://goo.gl/kOevyS

   * Announcing LTS Haskell 1.0
     Domain: fpcomplete.com, Score: 87, Comments: 14
     Original: [3] http://goo.gl/QW25bK
     On Reddit: [4] http://goo.gl/PlWgfm

   * MSFT open sources production serialization system written partially in
Haskell
     Domain: blog.nullspace.io, Score: 83, Comments: 6
     Original: [5] http://goo.gl/SDm7i1
     On Reddit: [6] http://goo.gl/wljTKD

   * haskell-emacs - Write Emacs extensions in Haskell
     Domain: github.com, Score: 64, Comments: 3
     Original: [7] http://goo.gl/NkK9FE
     On Reddit: [8] http://goo.gl/75zURt

   * The Type Theory Podcast, Episode 3: Dan Licata on Homotopy Type Theory
     Domain: typetheorypodcast.com, Score: 58, Comments: 17
     Original: [9] http://goo.gl/z30wH5
     On Reddit: [10] http://goo.gl/5KDPNu

   * Cabal 1.22 and cabal-install 1.22
     Domain: groups.google.com, Score: 54, Comments: 3
     Original: [11] http://goo.gl/WdxPu0
     On Reddit: [12] http://goo.gl/ih07XV

   * [Haskell-cafe] The amount of CPP we have to use is getting out of hand
     Domain: haskell.org, Score: 51, Comments: 94
     Original: [13] http://goo.gl/0OYZ7C
     On Reddit: [14] http://goo.gl/4QCAIc

   * Boston Haskell lightning talks: Rust, Phantoms, ATS, Freezing, Music,
and Code reuse
     Domain: self.haskell, Score: 50, Comments: 8
     Original: [15] http://goo.gl/TAjkMi
     On Reddit: [16] http://goo.gl/TAjkMi

   * Haskell for all: total-1.0.0: Exhaustive pattern matching using
traversals, prisms, and lenses
     Domain: haskellforall.com, Score: 47, Comments: 9
     Original: [17] http://goo.gl/TJDioE
     On Reddit: [18] http://goo.gl/sx7aMu

   * Mutation analysis for Haskell (alpha)
     Domain: self.haskell, Score: 46, Comments: 9
     Original: [19] http://goo.gl/MByMzL
     On Reddit: [20] http://goo.gl/MByMzL

   * Simple Algebraic Data Types by Bartosz Milewski
     Domain: bartoszmilewski.com, Score: 45, Comments: 1
     Original: [21] http://goo.gl/Ns3UjL
     On Reddit: [22] http://goo.gl/uuqCt2

   * The Frank programming language
     Domain: homepages.inf.ed.ac.uk, Score: 42, Comments: 29
     Original: [23] http://goo.gl/msxrp5
     On Reddit: [24] http://goo.gl/0NPQYY

   * GHC Weekly News - 2015/01/07
     Domain: ghc.haskell.org, Score: 42, Comments: 3
     Original: [25] http://goo.gl/HVsDLU
     On Reddit: [26] http://goo.gl/JiMf4b

   * The Rust community grapples with the menace of ORPHAN INSTANCES
     Domain: discuss.rust-lang.org, Score: 42, Comments: 19
     Original: [27] http://goo.gl/HIl68S
     On Reddit: [28] http://goo.gl/dUWa48

   * The state and future of supercompilation in GHC.
     Domain: self.haskell, Score: 39, Comments: 10
     Original: [29] http://goo.gl/e9FDLV
     On Reddit: [30] http://goo.gl/e9FDLV

Top StackOverflow Questions

   * Implementation of null function
     votes: 18, answers: 2
     Read on SO: [31] http://goo.gl/cVqJa3

   * What is the type of this self-applying factorial function?
     votes: 17, answers: 3
     Read on SO: [32] http://goo.gl/vQaeQ0

   * Haskell fast concurrent queue
     votes: 17, answers: 3
     Read on SO: [33] http://goo.gl/HdAlul

   * Ghc: partially compile Haskell code?
     votes: 13, answers: 1
     Read on SO: [34] http://goo.gl/hS2QNQ

   * What is the type of return 5 in Haskell when no context is given?
     votes: 12, answers: 1
     Read on SO: [35] http://goo.gl/IC08Sk

   * Is it possible to write fmap for this data type involving a type
family?
     votes: 11, answers: 1
     Read on SO: [36] http://goo.gl/6V5Mps

   * How to get cabal and nix work together
     votes: 11, answers: 1
     Read on SO: [37] http://goo.gl/TOXNDv

   * What is the most general way to compute the depth of a tree with
something like a fold?
     votes: 8, answers: 2
     Read on SO: [38] http://goo.gl/vlcioF

   * What is exactly an indexed functor in Haskell and what are its usages?
     votes: 8, answers: 1
     Read on SO: [39] http://goo.gl/10PK8U

   * Functor instance for generic polymorphic ADTs in Haskell?
     votes: 8, answers: 2
     Read on SO: [40] http://goo.gl/Oh0uFp

   * Finite State Transducers in Haskell?
     votes: 7, answers: 1
     Read on SO: [41] http://goo.gl/gu80ZL

   * Is it possible to encode a generic “lift” function in Haskell?
     votes: 7, answers: 2
     Read on SO: [42] http://goo.gl/R9B8N5

   * Haskell Expression Equivalents
     votes: 6, answers: 1
     Read on SO: [43] http://goo.gl/t54YiS

Until next time,
[44]+Daniel Santa Cruz

References

   1. http://dev.stephendiehl.com/fun/
   2. http://www.reddit.com/r/haskell/comments/2regln/write_you_a_haskell/
   3. https://www.fpcomplete.com/blog/2015/01/announcing-lts-haskell-1-0
   4.
http://www.reddit.com/r/haskell/comments/2rapgt/announcing_lts_haskell_10/
   5. http://blog.nullspace.io/bond-oss.html
   6.
http://www.reddit.com/r/haskell/comments/2rxkmk/msft_open_sources_production_serialization_system/
   7. https://github.com/knupfer/haskell-emacs
   8.
http://www.reddit.com/r/haskell/comments/2sdvyu/haskellemacs_write_emacs_extensions_in_haskell/
   9.
http://typetheorypodcast.com/2015/01/episode-3-dan-licata-on-homotopy-type-theory/
  10.
http://www.reddit.com/r/haskell/comments/2rnumy/the_type_theory_podcast_episode_3_dan_licata_on/
  11.
https://groups.google.com/forum/#!msg/haskell-cafe/rRbP9oJjOBc/J8lf_sGVl_oJ
  12.
http://www.reddit.com/r/haskell/comments/2rcuak/cabal_122_and_cabalinstall_122/
  13.
https://www.haskell.org/pipermail/haskell-cafe/2015-January/117683.html
  14.
http://www.reddit.com/r/haskell/comments/2shv2d/haskellcafe_the_amount_of_cpp_we_have_to_use_is/
  15.
http://www.reddit.com/r/haskell/comments/2sn8la/boston_haskell_lightning_talks_rust_phantoms_ats/
  16.
http://www.reddit.com/r/haskell/comments/2sn8la/boston_haskell_lightning_talks_rust_phantoms_ats/
  17.
http://www.haskellforall.com/2015/01/total-100-exhaustive-pattern-matching.html
  18.
http://www.reddit.com/r/haskell/comments/2s1tfx/haskell_for_all_total100_exhaustive_pattern/
  19.
http://www.reddit.com/r/haskell/comments/2rj5sw/mutation_analysis_for_haskell_alpha/
  20.
http://www.reddit.com/r/haskell/comments/2rj5sw/mutation_analysis_for_haskell_alpha/
  21. http://bartoszmilewski.com/2015/01/13/simple-algebraic-data-types/
  22.
http://www.reddit.com/r/haskell/comments/2sbl93/simple_algebraic_data_types_by_bartosz_milewski/
  23.
http://homepages.inf.ed.ac.uk/slindley/papers/frankly-draft-march2014.pdf
  24.
http://www.reddit.com/r/haskell/comments/2rao0t/the_frank_programming_language/
  25. https://ghc.haskell.org/trac/ghc/blog/weekly20150107
  26.
http://www.reddit.com/r/haskell/comments/2rq6zc/ghc_weekly_news_20150107/
  27. http://discuss.rust-lang.org/t/orphan-rules/1322/4
  28.
http://www.reddit.com/r/haskell/comments/2shyfj/the_rust_community_grapples_with_the_menace_of/
  29.
http://www.reddit.com/r/haskell/comments/2s97d0/the_state_and_future_of_supercompilation_in_ghc/
  30.
http://www.reddit.com/r/haskell/comments/2s97d0/the_state_and_future_of_supercompilation_in_ghc/
  31.
http://stackoverflow.com/questions/27941690/implementation-of-null-function
  32.
http://stackoverflow.com/questions/27814714/what-is-the-type-of-this-self-applying-factorial-function
  33.
http://stackoverflow.com/questions/27933941/haskell-fast-concurrent-queue
  34.
http://stackoverflow.com/questions/27780282/ghc-partially-compile-haskell-code
  35.
http://stackoverflow.com/questions/27932794/what-is-the-type-of-return-5-in-haskell-when-no-context-is-given
  36.
http://stackoverflow.com/questions/27936725/is-it-possible-to-write-fmap-for-this-data-type-involving-a-type-family
  37.
http://stackoverflow.com/questions/27968909/how-to-get-cabal-and-nix-work-together
  38.
http://stackoverflow.com/questions/27769688/what-is-the-most-general-way-to-compute-the-depth-of-a-tree-with-something-like
  39.
http://stackoverflow.com/questions/27771474/what-is-exactly-an-indexed-functor-in-haskell-and-what-are-its-usages
  40.
http://stackoverflow.com/questions/27856974/functor-instance-for-generic-polymorphic-adts-in-haskell
  41.
http://stackoverflow.com/questions/27997155/finite-state-transducers-in-haskell
  42.
http://stackoverflow.com/questions/28003135/is-it-possible-to-encode-a-generic-lift-function-in-haskell
  43.
http://stackoverflow.com/questions/27761821/haskell-expression-equivalents
  44. https://plus.google.com/105107667630152149014/about
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