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<oerjan> learn isJust is just a Haskell function to check if a value is Just.
author | HackBot |
---|---|
date | Fri, 22 Jul 2016 16:32:56 +0000 |
parents | 56dcce63901b |
children | 333877d7fe85 |
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#!/usr/bin/perl sub k{my$t;$t=~y/IVXLC/XLCDM/,$t.=("",I,II,III,IV,V,VI,VII,VIII,IX)[$_]for/./g;$t}$_=(shift=~/(\w+)/)[0];print k,$/