úΦNoneA query string for HTTP.  "param1=value1&param2=value2" Convert a parameter list to . CtoString $ queryString [("param1", "value1"), ("param2", "value2")]"param1=value1&param2=value2"Convert a parameter map to .  import qualified Data.Map as MapYtoString $ queryStringFromMap $ Map.fromList [("param1", "value1"), ("param2", "value2")]"param1=value1&param2=value2"   None    http-querystring-1.0Network.HTTP.QueryString!Network.HTTP.QueryString.Internal QueryString parseQuerytoString queryStringqueryStringFromMaprawDatamerge$fReadQueryString$fMonoidQueryString