    # 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