// @ts-nocheck export const pipe = (...fns) => (input) => fns.reduce((acc, fn) => fn(acc), input); export const mapR = (fn) => (input) => input.reduce((acc, x) => [...acc, fn(x)], []); export const filterR = (pred) => (input) => input.reduce((acc, x) => pred(x) ? [...acc, x] : acc ,[]);