# File lib/Getopt/DelimScanner.rb, line 47
    def interpolate( scope )
        unless scope.is_a?( Binding )
            raise TypeError, "Argument to interpolate must be a Binding, not "\
                "a #{scope.class.name}"
        end

        # $stderr.puts ">>> Interpolating '#{self}'..."


        copy = self.gsub( /"/, %q:\": )
        eval( '"' + copy + '"', scope )
    end