lkt/node_modules/eth-lib/lib/map.js

const merge = a => b => {
  let c = {};
  for (let key in a) c[key] = a[key];
  for (let key in b) c[key] = b[key];
  return c;
};

const remove = removeKey => a => {
  let b = {};
  for (let key in a) if (key !== removeKey) b[key] = a[key];
  return b;
};

module.exports = {
  merge,
  remove
};