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-rw-r--r--empty.rb25
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 :