From 1da5dc55ee48fcd437f5b5df00a5b2f3991ec9f1 Mon Sep 17 00:00:00 2001
From: Micah <micah@leap.se>
Date: Tue, 24 May 2016 10:19:33 -0400
Subject: Squashed 'puppet/modules/stdlib/' content from commit 7112363

git-subtree-dir: puppet/modules/stdlib
git-subtree-split: 71123634744b9fe2ec7d6a3e38e9789fd84801e3
---
 lib/puppet/parser/functions/validate_array.rb | 33 +++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 lib/puppet/parser/functions/validate_array.rb

(limited to 'lib/puppet/parser/functions/validate_array.rb')

diff --git a/lib/puppet/parser/functions/validate_array.rb b/lib/puppet/parser/functions/validate_array.rb
new file mode 100644
index 00000000..34b51182
--- /dev/null
+++ b/lib/puppet/parser/functions/validate_array.rb
@@ -0,0 +1,33 @@
+module Puppet::Parser::Functions
+
+  newfunction(:validate_array, :doc => <<-'ENDHEREDOC') do |args|
+    Validate that all passed values are array data structures. Abort catalog
+    compilation if any value fails this check.
+
+    The following values will pass:
+
+        $my_array = [ 'one', 'two' ]
+        validate_array($my_array)
+
+    The following values will fail, causing compilation to abort:
+
+        validate_array(true)
+        validate_array('some_string')
+        $undefined = undef
+        validate_array($undefined)
+
+    ENDHEREDOC
+
+    unless args.length > 0 then
+      raise Puppet::ParseError, ("validate_array(): wrong number of arguments (#{args.length}; must be > 0)")
+    end
+
+    args.each do |arg|
+      unless arg.is_a?(Array)
+        raise Puppet::ParseError, ("#{arg.inspect} is not an Array.  It looks to be a #{arg.class}")
+      end
+    end
+
+  end
+
+end
-- 
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