Styles

YAML syntax styles

Block style

Flow style

Human frendly, less compact

An extension of JSON, foldinf long lines, tags and anchors

host: host-1
datacenter:        #mapping
  location: Poland #key-value mapping indentention
  cabinet: 11
roles:             #list
  - web
  - dns

host: "host-1"
datacentrer: { location:
  Poland , cabinet: 11 }
roles: [ web , dns ] 
# {} kv mapping
# [] list (array)

Characters

Printable Unicode
Unsupported symbols
- C0/C1 blocks
  - Exceptions: Tab, Line Feed, Carrage Return, Delete, Next line
- Surrogates
Encoding: UTF-8, 16, 32
To be JSON compatibile must be UTF-32

Mappings are also known as:

Mappings, the colon-space combination that marks it as a mapping
Block style	Flow style
host: host-1 datacenter: location: Poland cabinet: 11 # cabinet: 12 #the same keys are not allowed	host: host-1 datacentre: { location: Poland, cabinet: 11 }