Puppet Function: reverse

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

Overview

reverse()Any

> Note: that the same can be done with the reverse_each() function in Puppet.

Returns:

  • (Any)

    reversed string or array



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# File 'modules/stdlib/lib/puppet/parser/functions/reverse.rb', line 5

newfunction(:reverse, :type => :rvalue, :doc => <<-DOC
  @summary
    Reverses the order of a string or array.

  @return
    reversed string or array

  > *Note:* that the same can be done with the reverse_each() function in Puppet.
  DOC
           ) do |arguments|

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

  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