我有一个哈希名称和电子邮件的数组,如下所示:
array = [{"email"=>"test@test.com", "name"=>"Test"},
{"email"=>"testA@gmail.com", "name"=>"Test A"},
{"name"=>"Test B", "email"=>"testB@test.com"},
{"email"=>"testC@yahoo.com", "name"=>"Test C"},
{"name"=>"Test D", "email"=>"testD@hotmail.com"},
{"email"=>"testE@test.com"},
{"name"=>"Test F", "email"=>"testF@test.com"}]
我想过滤掉“黑名单”数组中的某些电子邮件。下面的工作,但它太冗长了。
blacklist = ["@test.com", "@gmail.com"]
na = array
blacklist.each do |b|
na = na.reject{ |e| e["email"].include?(b) }
end
# na => [{"email"=>"testC@yahoo.com", "name"=>"Test C"}, {"name"=>"Test D", "email"=>"testD@hotmail.com"}]
有人可以帮助我将它放入性感的 Ruby 单行代码中吗?
最佳答案
还有一个建议:)
array.reject { |h| blacklist.any? { |b| h["email"].include? b } }
关于ruby-on-rails - 在 Ruby on Rails 中正确使用 REJECT 方法——帮助我将多行代码转换为 Ruby 单行代码,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/8188467/