ruby 渡したブロックの处理内容にかかわらず，最终的にレシーバを返すメソッド...水龙头

Posted 2021-05-15

def new
  user = User.new
  user.name = 'takayuki'
  user.email = '[e-mail]'
  user
end

# use tap method
def new
  user = User.new.tap{|u|
    u.name = 'takayuki'
    u.email = '[e-mail]'
  end
end