upgrade to stdlib 4.6.1

[dsa-puppet.git] / 3rdparty / modules / stdlib / lib / puppet / parser / functions / keys.rb

diff --git a/3rdparty/modules/stdlib/lib/puppet/parser/functions/keys.rb b/3rdparty/modules/stdlib/lib/puppet/parser/functions/keys.rb
new file mode 100644 (file)
index 0000000..f0d13b6
--- /dev/null
+++ b/3rdparty/modules/stdlib/lib/puppet/parser/functions/keys.rb
@@ -0,0 +1,26 @@
+#
+# keys.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:keys, :type => :rvalue, :doc => <<-EOS
+Returns the keys of a hash as an array.
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "keys(): Wrong number of arguments " +
+      "given (#{arguments.size} for 1)") if arguments.size < 1
+
+    hash = arguments[0]
+
+    unless hash.is_a?(Hash)
+      raise(Puppet::ParseError, 'keys(): Requires hash to work with')
+    end
+
+    result = hash.keys
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :