add a new function & tests for that function

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/puppet/parser/functions/array_del.rb b/lib/puppet/parser/functions/array_del.rb
new file mode 100644
index 0000000..e604916
--- /dev/null
+++ b/lib/puppet/parser/functions/array_del.rb
@@ -0,0 +1,11 @@
+Puppet::Parser::Functions::newfunction(
+  :array_del,
+  :type => :rvalue,
+  :doc => "Deletes items from an array
+
+    Example: array_del(['a','b'],'b') -> ['a']"
+) do |args|
+  raise Puppet::ParseError, 'array_del() needs two arguments' if args.length != 2
+  (res=args[0].dup).to_a.delete(args[1])
+  res
+end