[HN Gopher] BQN for Birdwatchers
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       BQN for Birdwatchers
        
       Author : cl3misch
       Score  : 50 points
       Date   : 2024-04-20 06:46 UTC (1 days ago)
        
 (HTM) web link (mlochbaum.github.io)
 (TXT) w3m dump (mlochbaum.github.io)
        
       | lkuty wrote:
       | I really enjoyed the video "Composition Intuition" by Conor
       | Hoekstra: https://www.youtube.com/watch?v=Mj8jxYS-hi4
        
       | marvinborner wrote:
       | Related: A programming language that _only_ consists of
       | combinator birds! https://esolangs.org/wiki/Birb
        
       | mlochbaum wrote:
       | There's a tutorial explaining BQN's combinators not directly
       | linked: https://mlochbaum.github.io/BQN/tutorial/combinator.html
       | 
       | The symbols [?] and [?] are new in BQN and I think these are a
       | good example of how APL's symbolic approach can make it easier to
       | think about combinators. You have w F[?]G x meaning (F w) G x and
       | w G[?]F x meaning w G (F x), that is, the function on the pointy
       | side is a preprocessing step for the argument on that side. Once
       | you get used to which side is which these become some of the most
       | intuitive BQN combinators to work with.
        
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       (page generated 2024-04-21 23:00 UTC)