Comment on ifn't

OpenStars@startrek.website ⁨9⁩ ⁨months⁩ ago

• jtk@lemmy.sdf.org ⁨9⁩ ⁨months⁩ ago

  I would have bought it if they said ifnot instead, it’s the same number of characters and wouldn’t require a major parser overhaul to support.

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  • pupbiru@aussie.zone ⁨9⁩ ⁨months⁩ ago

    i mean, “unless” tends to be the usual term for an “if not” keyword in languages that implement such a thing

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    • Fal@yiffit.net ⁨9⁩ ⁨months⁩ ago

      Which is awful and incredibly confusing. I hate ruby

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      • pupbiru@aussie.zone ⁨9⁩ ⁨months⁩ ago

        totally agree; just saying that if it’s GOT to be something, that something should probably be unless… unless . . .

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      • msage@programming.dev ⁨9⁩ ⁨months⁩ ago

        And Perl

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      • frezik@midwest.social ⁨9⁩ ⁨months⁩ ago

        I find that you need to choose carefully when to use it. Simple cases tend to be alright. Larger, more complex conditions shouldn’t touch it.

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  • OpenStars@startrek.website ⁨9⁩ ⁨months⁩ ago

    Yeah, to be clear, I don’t like it, I don’t like it one bit:-P.

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    • jaybone@lemmy.world ⁨9⁩ ⁨months⁩ ago

      If not anybody have time for that.

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      • OpenStars@startrek.website ⁨9⁩ ⁨months⁩ ago

        *ifn’t*

        Oh dear Lord what have I done!? :-P

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• mryessir@lemmy.sdf.org ⁨9⁩ ⁨months⁩ ago

  (define-syntax ifn't
    (syntax-rules ()
      ((_ cond) (or cond #t))
      ((_ cond false) (ifn't cond false #t))
      ((_ cond false else) (if (not cond) false else))))
  

  deadstare

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  • OpenStars@startrek.website ⁨9⁩ ⁨months⁩ ago

    Gulp…

    [link]

    Also, just for fun, the prequel:

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