# File lib/rack/utils.rb, line 472 def to_params_hash hash = @params hash.keys.each do |key| value = hash[key] if value.kind_of?(self.class) hash[key] = value.to_params_hash elsif value.kind_of?(Array) value.map! {|x| x.kind_of?(self.class) ? x.to_params_hash : x} end end hash end