Puppet Function: reverse

Defined in:
puppet/modules/stdlib/lib/puppet/parser/functions/reverse.rb
Function type:
Ruby 3.x API

Overview

reverse() ⇒ Any

Reverses the order of a string or array.

Returns:

  • (Any) 


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# File 'puppet/modules/stdlib/lib/puppet/parser/functions/reverse.rb', line 6

newfunction(:reverse, :type => :rvalue, :doc => <<-EOS
Reverses the order of a string or array.
  EOS
) do |arguments|

  raise(Puppet::ParseError, "reverse(): Wrong number of arguments " +
    "given (#{arguments.size} for 1)") if arguments.size < 1

  value = arguments[0]

  unless value.is_a?(Array) || value.is_a?(String)
    raise(Puppet::ParseError, 'reverse(): Requires either ' +
      'array or string to work with')
  end

  result = value.reverse

  return result
end