#
# keys.rb
#
-
module Puppet::Parser::Functions
- newfunction(:keys, :type => :rvalue, :doc => <<-EOS
-Returns the keys of a hash as an array.
- EOS
- ) do |arguments|
+ newfunction(:keys, :type => :rvalue, :doc => <<-DOC
+ Returns the keys of a hash as an array.
+
+ Note: from Puppet 5.5.0, the compatible function with the same name in Puppet core
+ will be used instead of this function.
+ DOC
+ ) do |arguments|
- raise(Puppet::ParseError, "keys(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size < 1
+ raise(Puppet::ParseError, "keys(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
hash = arguments[0]