在 Ruby 中自動建立中間層的 Hashtable
October 13, 2020
所有中間層的 hashtable 都會自動神奇地建立起來
def autovivifying_hash
Hash.new {|ht,k| ht[k] = autovivifying_hash}
end
用法
response_builder = autovivifying_hash
response_builder['payment']['status'] = 'OK'
response_builder # => {"payment"=>{"status"=>"OK"}