const { flow, set, push } = require('immutadot')
const person = {
name: 'Steven',
cities: ['Berlin', 'Lisbon'],
currentCity: 'Berlin'
}
const movedIntoNewCity = flow(
push('cities', 'Amsterdam'),
set('currentCity', 'Amsterdam')
)(person);
console.log(movedIntoNewCity)
Created from: https://npm.runkit.com/immutadot