07 note07

・アンカー
・エイリアス


アンカー＝変数
エイリアス＝変数を出力する時に付ける修飾句

mydata07.yml
==============================
# - &leader tanaka # アンカー
# - *leader # エイリアス
# - &staff tashiro
# - *staff
# - *staff
# - *staff
# - *staff

- &taguchi
  name: taguchi
  score: 80
- &fkoji
  name: fkoji
  score: 90
  friends:
    - *taguchi
- name: dotinstall
  score: 100
  friends:
    - *taguchi
    - *fkoji
==============================



parse07.rb
==============================
require 'yaml'

emails = YAML.load_file('mydata07.yml')

p emails
==============================


ruby parse07.rb   
#=> 
[{"name"=>"taguchi", "score"=>80}, {"name"=>"fkoji", "score"=>90, "friends"=>[{"name"=>"taguchi", "score"=>80}]}, {"name"=>"dotinstall", "score"=>100, "friends"=>[{"name"=>"taguchi", "score"=>80}, {"name"=>"fkoji", "score"=>90, "friends"=>[{"name"=>"taguchi", "score"=>80}]}]}]