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, 1 deletions

diff --git a/chop.rb b/chop.rb
index 2f6b2d2..32ce040 100644
--- a/chop.rb
+++ b/chop.rb
@@ -13,12 +13,13 @@ module Puppet::Parser::Functions
     value = arguments[0]
     klass = value.class
 
-    if not [Array, String].include?(klass)
+    unless [Array, String].include?(klass)
       raise(Puppet::ParseError, 'chop(): Requires either an ' +
         'array or string to work with')
     end
 
     if value.is_a?(Array)
+      # Numbers in Puppet are often string-encoded ...
       result = value.collect { |i| i.is_a?(String) ? i.chop : i }
     else
       result = value.chop