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dibblego's profile
Tony Morris
Tony Morris
Tony Morris
@dibblego

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Tony Morris

@dibblego

Power ∧ Attitude ⇒ Performance

Brisbane, Australia
tmorris.net
Joined May 2009

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    1. Will Billingsley‏ @wbillingsley 13 Mar 2014
      Replying to @dibblego

      @dibblego if by “fast and loose” you mean http://dl.acm.org/citation.cfm?doid=1111037.1111056 … "morally correct" seems to refer to reasoning not program. ?

      1 reply 0 retweets 0 likes
    2. Tony Morris‏ @dibblego 13 Mar 2014
      Replying to @wbillingsley

      @wbillingsley reasoning about programs.

      1 reply 0 retweets 0 likes
    3. Will Billingsley‏ @wbillingsley 13 Mar 2014
      Replying to @dibblego

      @dibblego Yes. So not “that fn uses == so is immoral” but “f+l reasoning claim is not 'morally correct' for Scala because Scala has Any” ?

      3 replies 0 retweets 0 likes
    4. Tony Morris‏ @dibblego 13 Mar 2014
      Replying to @wbillingsley

      @wbillingsley Scala has nothing to do with it. The equals functions violates parametricity and porticoes the escape hatch for lies.

      2 replies 0 retweets 0 likes
    5. Bob Atkey‏ @bentnib 13 Mar 2014
      Replying to @dibblego

      @dibblego @wbillingsley It is perfectly possible to formulate a theory of parametricity on types with additional structure like 'equals'.

      2 replies 0 retweets 0 likes
    6. Bob Atkey‏ @bentnib 13 Mar 2014
      Replying to @bentnib

      @dibblego @wbillingsley E.g., Simpson and Møgelberg do so for types that have algebraic structure: http://lmcs-online.org/ojs/viewarticle.php?id=449&layout=abstract …

      1 reply 0 retweets 0 likes
    7. Bob Atkey‏ @bentnib 13 Mar 2014
      Replying to @bentnib

      @dibblego @wbillingsley whether or not this is useful is another matter, but to call it 'immoral' is a bit strong.

      4 replies 0 retweets 1 like
    8. Will Billingsley‏ @wbillingsley 13 Mar 2014
      Replying to @bentnib

      @bentnib @dibblego And from this we’ve derived a new phrasing/terminology of code being “immoral”.

      1 reply 0 retweets 0 likes
    9. Tony Morris‏ @dibblego 13 Mar 2014
      Replying to @wbillingsley

      @wbillingsley @bentnib Code is not immoral. Reasoning is.

      1 reply 0 retweets 1 like
    10. Will Billingsley‏ @wbillingsley 13 Mar 2014
      Replying to @dibblego

      @dibblego @bentnib Oh, and I was hoping we’d coined a new term. “Moral function" as a function for which "fast and loose" assumptions hold.

      3 replies 0 retweets 0 likes
      Tony Morris‏ @dibblego 13 Mar 2014
      Replying to @wbillingsley

      @wbillingsley @bentnib I will concede the "immoral" point as I have no brief description. "Less useful" comes to mind but is inaccurate.

      6:45 AM - 13 Mar 2014
      1 reply 0 retweets 0 likes
        1. Bob Atkey‏ @bentnib 13 Mar 2014
          Replying to @dibblego

          @dibblego @wbillingsley 'Pretenious reasoning'? reasoning pretending that the language is something it isn't? ;-)

          0 replies 0 retweets 0 likes
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