'Functional version' broke, cba to fix :)

lib/reducers.ts

@@ -1,8 +1,8 @@
+// @ts-nocheck
+
 export const pipe = (...fns) => (input) =>
   fns.reduce((acc, fn) => fn(acc), input);
 
-export const redFn = (acc, x) => [...acc, x];
-
 export const mapR = (fn) => (input) =>
   input.reduce((acc, x) => [...acc, fn(x)], []);