puppetlabs/puppet · error · ArgumentError

Only one of the delimiters [ { ( < | can be given in the for

Error message

Only one of the delimiters [ { ( < | can be given in the format flags, got '#{fmt}'

What it means

Error "Only one of the delimiters [ { ( < | can be given in the format flags, got '#{fmt}'" thrown in puppetlabs/puppet.

Source

Thrown at lib/puppet/pops/types/string_converter.rb:133

      flags  = match[1].split('') || []
      unless flags.uniq.size == flags.size
        raise ArgumentError, "The same flag can only be used once, got '#{fmt}'"
      end

      @left  = flags.include?('-')
      @alt   = flags.include?('#')
      @plus  = if flags.include?(' ')
                 :space
               else
                 flags.include?('+') ? :plus : :ignore
               end
      @zero_pad = flags.include?('0')

      @delimiters = nil
      DELIMITERS.each do |d|
        next unless flags.include?(d)
        unless @delimiters.nil?
          raise ArgumentError, "Only one of the delimiters [ { ( < | can be given in the format flags, got '#{fmt}'"
        end

        @delimiters = d
      end

      @width = match[2] ? match[2].to_i : nil
      @prec  = match[3] ? match[3].to_i : nil
    end

    # Merges one format into this and returns a new `Format`. The `other` format overrides this.
    # @param [Format] other
    # @returns [Format] a merged format
    #
    def merge(other)
      result = Format.new(other.orig_fmt)
      result.separator = other.separator || separator
      result.separator2 = other.separator2 || separator2
      result.container_string_formats = Format.merge_string_formats(container_string_formats, other.container_string_formats)

View on GitHub (pinned to e227c27540)

When it happens

Trigger: Thrown at lib/puppet/pops/types/string_converter.rb:133 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of puppetlabs/puppet@e227c27540 (2026-08-21). Data as JSON: /api/errors/81d5b12ae1bbbd4d. Report an issue: GitHub.