Puppet Function: string2array

Defined in:
lib/puppet/parser/functions/string2array.rb
Function type:
Ruby 3.x API

Overview

string2array() ⇒ Any

This converts a string to an array containing that single element. Empty argument lists are converted to an empty array. Arrays are left untouched. Hashes throw an error

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/string2array.rb', line 8

newfunction(:string2array, type: :rvalue, doc: <<~EOS
  This converts a string to an array containing that single element. Empty argument
  lists are converted to an empty array. Arrays are left untouched. Hashes throw
  an error
EOS
) do |arguments|
  return [] if arguments.empty?

  if arguments.length == 1
    return arguments[0] if arguments[0].is_a?(Array)
    raise(Puppet::Error, "string2array(): `#{arguments[0]}` is neither a string nor an array") if arguments[0].is_a?(Hash)
  end

  return arguments
end