chore(PRELUDE) init 🔥

Author: davidchase

prelude.js

@@ -0,0 +1,11 @@
+'use strict'
+
+const compose = (f, g) => x => f(g(x))
+
+const uniq = xs => xs.reduce((list, x) => list.indexOf(x) === -1 ? list.concat(x) : list, [])
+
+const identity = x => x
+
+const flatten = xs => [].concat.apply([], xs.map(identity)); 
+
+exports.union = compose(uniq, flatten)