is_array.rb
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is_array.rb
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	#
	# is_array.rb
	#

	module Puppet::Parser::Functions
	newfunction(:is_array, :type => :rvalue, :doc => <<-EOS
	Returns true if the variable passed to this function is an array.
	EOS
	) do \|arguments\|

	function_deprecation([:puppet_3_type_check, 'This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::Array. There is further documentation for validate_legacy function in the README.'])

	raise(Puppet::ParseError, "is_array(): Wrong number of arguments " +
	"given (#{arguments.size} for 1)") if arguments.size < 1

	type = arguments[0]

	result = type.is_a?(Array)

	return result
	end
	end