view wisdom/isjust @ 11738:b0d168665d0a draft

<shachaf> forget rum
author HackEso <hackeso@esolangs.org>
date Mon, 18 Feb 2019 01:00:39 +0000
parents 575e46a47bd9
children
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isJust is just a Haskell function to check if a value is Just a.