Small re-factor. Changed if not to unless for code clarity.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/reverse.rb b/reverse.rb
index 86dee28..79e9b93 100644
--- a/reverse.rb
+++ b/reverse.rb
@@ -13,8 +13,8 @@ module Puppet::Parser::Functions
     value = arguments[0]
     klass = value.class
 
-    if not [Array, String].include?(klass)
-      raise(Puppet::ParseError, 'reverse(): Requires either an ' +
+    unless [Array, String].include?(klass)
+      raise(Puppet::ParseError, 'reverse(): Requires either ' +
         'array or string to work with')
     end