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sgreben

HN member
Joined
Wed, Oct 29, 2014, 2:25 AM UTC
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Public activity
4 items

About sgreben

github.com/sgreben

Recent public activity

  1. story
  2. comment
    Comment #9563732

    Purely mechanically. Just writing down the problem statement we get: \exists f,g: \forall a,b: (f(b)=a) | (g(a)=b) where f,g are the guesses and a,b are the flips. Each guess is a …

  3. comment
    Comment #9411241

    I'm not proposing this as a solution to the expression problem (which has actual solutions, as noted in the other comments [0] and elsewhere [1]). It is, however, an extremely simp…

  4. comment
    Comment #9408327

    Sum types + exhaustiveness checking already do this, right? For this example: type animal = Cat | Dog type action = Sound | Eat | Attack let cat_sound () = printf "meow" let cat_at…