30 lines
674 B
Ruby
30 lines
674 B
Ruby
#
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# union.rb
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#
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module Puppet::Parser::Functions
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newfunction(:union, :type => :rvalue, :doc => <<-EOS
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This function returns a union of two or more arrays.
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*Examples:*
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union(["a","b","c"],["b","c","d"])
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Would return: ["a","b","c","d"]
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EOS
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) do |arguments|
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# Check that 2 or more arguments have been given ...
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raise(Puppet::ParseError, "union(): Wrong number of arguments " +
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"given (#{arguments.size} for < 2)") if arguments.size < 2
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arguments.each do |argument|
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raise(Puppet::ParseError, 'union(): Every parameter must be an array') unless argument.is_a?(Array)
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end
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arguments.reduce(:|)
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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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