# File lib/active_support/vendor/i18n-0.4.1/i18n/backend/interpolation_compiler.rb, line 27
        def compile_if_an_interpolation(string)
          if interpolated_str?(string)
            string.instance_eval "def i18n_interpolate(v = {})\n\"\#{compiled_interpolation_body(string)}\"\nend\n", __FILE__, __LINE__
          end

          string
        end