view paper/src/Maybe.agda @ 116:ed6719c301fc

Update slide
author atton <atton@cr.ie.u-ryukyu.ac.jp>
date Mon, 13 Feb 2017 17:31:45 +0900 (2017-02-13)
parents c0693ad89f04
children
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data Maybe {a} (A : Set a) : Set a where
  just    : (x : A) -> Maybe A
  nothing : Maybe A