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Contents
#
# flatten.rb
#
module Puppet::Parser::Functions
newfunction(:flatten, :type => :rvalue, :doc => <<-EOS
This function flattens any deeply nested arrays and returns a single flat array
as a result.
*Examples:*
flatten(['a', ['b', ['c']]])
Would return: ['a','b','c']
EOS
) do |arguments|
raise(Puppet::ParseError, "flatten(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size != 1
array = arguments[0]
unless array.is_a?(Array)
raise(Puppet::ParseError, 'flatten(): Requires array to work with')
end
result = array.flatten
return result
end
end
# vim: set ts=2 sw=2 et :
Version data entries
43 entries across 43 versions & 4 rubygems