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#
# member.rb
#
# TODO(Krzysztof Wilczynski): We need to add support for regular expression ...
# TODO(Krzysztof Wilczynski): Support for strings and hashes too ...
module Puppet::Parser::Functions
newfunction(:member, :type => :rvalue, :doc => <<-EOS
This function determines if a variable is a member of an array.
*Examples:*
member(['a','b'], 'b')
Would return: true
member(['a','b'], 'c')
Would return: false
EOS
) do |arguments|
raise(Puppet::ParseError, "member(): Wrong number of arguments " +
"given (#{arguments.size} for 2)") if arguments.size < 2
array = arguments[0]
unless array.is_a?(Array)
raise(Puppet::ParseError, 'member(): Requires array to work with')
end
item = arguments[1]
raise(Puppet::ParseError, 'member(): You must provide item ' +
'to search for within array given') if item.empty?
result = array.include?(item)
return result
end
end
# vim: set ts=2 sw=2 et :
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