Compare Formats
%YAML 1.2
---
# mapping
firstName: Kim
lastName:  Smith
age:       99
old:       true
weight:    null
address:
  street:      21 Jump Street
  city:        New York
  postalCode: '10021'
phoneNumber:
  # list of mappings
  - type:   home
    number: 212 555-1234
{
  "firstName": "Kim",
  "lastName":  "Smith",
  "age":       99,
  "old":       true,
  "weight":    null,
  "address": {
    "street":     "21 Jump Street",
    "city":       "New York",
    "postalCode": "10021"
  },
  "phoneNumber": [
    {
      "type":   "home",
      "number": "212 555-1234"
    }
  ]
}
# Comments!
{
  firstName: Kim,   # No Quotes!
  lastName:  Smith,
  age:       99,
  old:       true,
  weight:    null,
  address: {
    street:      21 Jump Street,
    city:        New York,
    postalCode: "10021",
  },
  phoneNumber: [
    {
      type:   home,
      number: 212 555-1234,
    },
  ], # Trailing Commas!
}