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Date: Sat, 5 Dec 2020 07:11:06 -0800 (PST)
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Subject: Re: Advent of Code Day 4
From: John Perry <john.perry@usm.edu>
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On Friday, December 4, 2020 at 2:20:06 PM UTC-6, Maxim Reznik wrote:
> Day 4 task is dull :) 
> 
> https://github.com/reznikmm/ada-howto/blob/advent-2020/md/04/04.md

Flourishes like this:

   return Pasport (byr .. pid) = (byr .. pid => True);

illustrate idioms that I really want to learn, thanks for sharing.