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