+ > *Note:*
+ **Deprecated** from Puppet 6.0.0, yhis function has been replaced with a
+ built-in [`capitalize`](https://puppet.com/docs/puppet/latest/function.html#capitalize)
+ function.
+
+ @return [String] The converted String, if it was a String that was given
+ @return [Array[String]] The converted Array, if it was a Array that was given
+ DOC
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "capitalize(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?