require('./_pollute/map');

module.exports = {
  curry: (fn) => (...args) => (...callArgs) => fn(...[...args, ...callArgs]),
  curryRight: (fn) => (...args) => (...callArgs) =>
    fn(...[...callArgs, ...args]),
  memo: (fn) => {
    const memo = new Map();
    return (...args) => {
      const path = [args.length, ...args];
      if (!memo.hasPath(path)) {
        memo.setPath(path, fn(...args));
      }
      return memo.getPath(path);
    };
  },
};