# File lib/yard/parser/ruby/legacy/ruby_lex.rb, line 1273
      def skip_inner_expression
        res = ""
        nest = 0
        while (ch = getc)
          res << ch
          if ch == '}'
            break if nest.zero?
            nest -= 1
          elsif ch == '{'
            nest += 1
          end
        end
        res
      end