1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12

[
  {
    name: { first: 'Alice', last: 'Smith' },
    age: -1,
    contact: { email: 'not-an-email' },
  },
  {
    name: { first: 'Bob' },
    age: 25,
    contact: { phone: '5551234567' },
  },
]