1 files changed, 21 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_array.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_array.rb
new file mode 100644
index 0000000..620f4f7
--- /dev/null
+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/is_array.rb
@@ -0,0 +1,21 @@
+#
+# is_array.rb
+#
+module Puppet::Parser::Functions
+  newfunction(:is_array, :type => :rvalue, :doc => <<-DOC
+    Returns true if the variable passed to this function is an array.
+    DOC
+             ) do |arguments|
+
+    function_deprecation([:is_array, 'This method is deprecated, please use the stdlib validate_legacy function,
+                           with Stdlib::Compat::Array. There is further documentation for validate_legacy function in the README.'])
+
+    raise(Puppet::ParseError, "is_array(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
+
+    type = arguments[0]
+
+    result = type.is_a?(Array)
+
+    return result
+  end
+end