5 module Puppet::Parser::Functions
6 newfunction(:flatten, :type => :rvalue, :doc => <<-EOS
7 This function flattens any deeply nested arrays and returns a single flat array
12 flatten(['a', ['b', ['c']]])
14 Would return: ['a','b','c']
18 raise(Puppet::ParseError, "flatten(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size != 1
22 unless array.is_a?(Array)
23 raise(Puppet::ParseError, 'flatten(): Requires array to work with')
26 result = array.flatten
32 # vim: set ts=2 sw=2 et :