26 lines
514 B
Ruby
26 lines
514 B
Ruby
#
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# keys.rb
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#
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module Puppet::Parser::Functions
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newfunction(:keys, :type => :rvalue, :doc => <<-EOS
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Returns the keys of a hash as an array.
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EOS
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) do |arguments|
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raise(Puppet::ParseError, "keys(): Wrong number of arguments " +
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"given (#{arguments.size} for 1)") if arguments.size < 1
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hash = arguments[0]
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unless hash.is_a?(Hash)
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raise(Puppet::ParseError, 'keys(): Requires hash to work with')
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end
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result = hash.keys
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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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