view modules/stdlib/lib/puppet/parser/functions/min.rb @ 272:c42fb28cff86

Update to a newer Python module This also pulls in an EPEL module (which we don't use) and a newer stdlib version.
author IBBoard <dev@ibboard.co.uk>
date Fri, 03 Jan 2020 19:56:04 +0000
parents 956e484adc12
children d9352a684e62
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#
# min.rb
#
module Puppet::Parser::Functions
  newfunction(:min, :type => :rvalue, :doc => <<-DOC
    Returns the lowest value of all arguments.
    Requires at least one argument.
    DOC
             ) do |args|

    raise(Puppet::ParseError, 'min(): Wrong number of arguments need at least one') if args.empty?

    # Sometimes we get numbers as numerics and sometimes as strings.
    # We try to compare them as numbers when possible
    return args.min do |a, b|
      if a.to_s =~ %r{\A^-?\d+(.\d+)?\z} && b.to_s =~ %r{\A-?\d+(.\d+)?\z}
        a.to_f <=> b.to_f
      else
        a.to_s <=> b.to_s
      end
    end
  end
end