我有一个国家数组:
@countries = ["Canada", "Denmark", "Germany", "Isle of Man", "Namibia", "Qatar", "South Africa", "United Kingdom","United States"]
我正在构建一些随机数据用于测试,就像这样:
@test = [{ :name => "AAA -"+Faker::Name.name, :country => @countries.???? ....}]
我该如何从@countries
哈希中获取一个随机值?
@countries.rand(mlen)
无法运行并返回NoMethodError: private method
rand' called for #`。