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-rw-r--r-- | empty.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/empty.rb b/empty.rb new file mode 100644 index 0000000..b83ece0 --- /dev/null +++ b/empty.rb @@ -0,0 +1,25 @@ +# +# empty.rb +# + +module Puppet::Parser::Functions + newfunction(:empty, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "empty(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + array = arguments[0] + + if not array.is_a?(Array) + raise(Puppet::ParseError, 'empty(): Requires an array to work with') + end + + result = array.empty? + + return result + end +end + +# vim: set ts=2 sw=2 et : |