Meta tag helper for Rails

meta_tag_helper.rb

# Accepts arguments like:
# meta_tag :warning, "HC SVNT DRACONES"
#   or
# meta_tag charset: "utf-8"
def meta_tag *options
  if (options.select {|o| o.is_a?(String) || o.is_a?(Symbol) }.count == options.count) && (options.count == 2)
    tag :meta, name: options.first, content: options.last
  else
    tag :meta, *options
  end
end