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propensive's profile
Jon Pretty
Jon Pretty
Jon Pretty
@propensive

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Jon Pretty

@propensive

Supporting Scala through professional training and open-source software. Responsible for Magnolia, Fury, Scala World and Functional Africa.

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propensive.com
Joined July 2010

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    1. Jon Pretty‏ @propensive 11 Jun 2020

      Sometimes the simplest problems are harder than they first seem. A client once specified a requirement to me: we'll give you the VAT-inclusive (20%) price; you need to generate invoices showing the net and VAT amounts. Sounds easy, right? net = round(tot*5/6) vat = round(tot/6)

      3 replies 0 retweets 6 likes
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    2. This Tweet is unavailable.
      Jon Pretty‏ @propensive 11 Jun 2020
      Replying to @ChiefScientist @d6

      Spire has great support for rationals, but it wouldn't help here, given that the numbers are always going to be printed in rounded form for human readability...

      8:58 AM - 11 Jun 2020 from Krakow, Poland
      1 reply 0 retweets 0 likes
        1. Jon Pretty‏ @propensive 11 Jun 2020
          Replying to @propensive @ChiefScientist @d6

          (See other replies for explanation.)

          1 reply 0 retweets 0 likes
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