object_nl=(string)
[permalink][rdoc]JSON 形式の文字列中に現れる JavaScript のオブジェクトの行末に挿入する文字列をセットします。
require "json"
json_state = JSON::State.new(object_nl: "")
json_state.object_nl # => ""
puts JSON.generate([1, 2, { name: "tanaka", age: 19 }], json_state)
# => [1,2,{"name":"tanaka","age":19}]
json_state.object_nl = "\n"
json_state.object_nl # => "\n"
puts JSON.generate([1, 2, { name: "tanaka", age: 19 }], json_state)
# => [1,2,{
# "name":"tanaka",
# "age":19
# }]