add a catamorphism on Trees
authorDaniel Wagner <me@dmwit.com>
Tue, 17 May 2016 17:21:07 +0000 (10:21 -0700)
committerDaniel Wagner <me@dmwit.com>
Tue, 17 May 2016 17:21:07 +0000 (10:21 -0700)
commitce4435be2207942cf1d8419d1a014b1a56a5a4a4
tree1e6c2033adbae4f28e968832c4d06f40056075f8
parent0abcf6faa0b685d6bf449dbb68ce130be2fcd3a5
add a catamorphism on Trees
Data/Tree.hs