Re:Object Oriented Programming is Inherently Harmful
by codygman on Sunday November 30, 2014 @01:51PM
(#8677632)
What is concept is the:
I'm not familiar with this, are you pattern matching on a function type?
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Re:Object Oriented Programming is Inherently Harmful
by dezgeg on Sunday November 30, 2014 @02:50PM
(#8677838)
It's the View Patterns extension: https://ghc.haskell.org/trac/ghc/wiki/ViewPatterns