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Roger Xu's Blog
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YAML #215

Open rogerxu opened 6 years ago

rogerxu commented 6 years ago

The Official YAML Web Site

rogerxu commented 6 years ago

Collections

Sequence of Scalars

- Apple
- Banana
- Orange

Mapping Scalars to Scalars

name: Roger
gender: male
age: 31

Mapping Scalars to Scalars

male:
  - Roger
  - Bob
female:
  - Amy
  - Linda

Sequence of Mappings

-
  name: Roger
  gender: male
  age: 31
-
  name: Bob
  gender: male
  age: 30
- name: Roger
  gender: male
  age: 31
- name: Bob
  gender: male
  age: 30
rogerxu commented 6 years ago

Structures

Separate document

Repeat nodes

Node for “Sammy Sosa” appears twice in this document

---
hr:
  - Mark McGwire
  # Following node labeled SS
  - &SS Sammy Sosa
rbi:
  - *SS # Subsequent occurrence
  - Ken Griffey
rogerxu commented 6 years ago

Scalars

# ASCII Art
--- |
  \//||\/||
  // ||  ||__
--- >
  Mark McGwire's
  year was crippled
  by a knee injury.
unicode: "Sosa did fine.\u263A"
control: "\b1998\t1999\t2000\n"
hex esc: "\x0d\x0a is \r\n"
single: '"Howdy!" he cried.'
quoted: ' # Not a ''comment''.'
tie-fighter: '|\-*-/|'
rogerxu commented 6 years ago

Tags

General

null:
booleans: [ true, false ]
string: '012345'

Integers

canonical: 12345
decimal: +12345
octal: 0o14
hexadecimal: 0xC

Floating Point

canonical: 1.23015e+3
exponential: 12.3015e+02
fixed: 1230.15
negative infinity: -.inf
not a number: .NaN

Timestamps

canonical: 2001-12-15T02:59:43.1Z
iso8601: 2001-12-14t21:59:43.10-05:00
spaced: 2001-12-14 21:59:43.10 -5
date: 2002-12-14