const R = require('ramda')

const json = {
		users: [
			{id: 3, name: "Thad", age: 36},
			{id: 5, name: "Lucian", age: 23},
			{id: 2, name: "Justine", age: 29},
			{id: 4, name: "Katie", age: 26},
			{id: 0, name: "Jerold", age: 52},
			{id: 1, name: "Nona", age: 33}
		]
}

// exercise 2: filter users that have an even age
const isEven = n => n % 2 === 0

const usersWithEvenAge =
	R.filter(R.propSatisfies(isEven, 'age'))(json.users)

console.log(usersWithEvenAge)