Clarify what an empty intersection looks like.

xbezdick · Sep 14, 2015 · 169f8af · 169f8af
1 parent 0ea0e40
commit 169f8af
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/lib/puppet/parser/functions/intersection.rb b/lib/puppet/parser/functions/intersection.rb
@@ -4,13 +4,13 @@
 
 module Puppet::Parser::Functions
   newfunction(:intersection, :type => :rvalue, :doc => <<-EOS
-This function returns an array an intersection of two.
+This function returns an array of the intersection of two.
 
 *Examples:*
 
-    intersection(["a","b","c"],["b","c","d"])
+    intersection(["a","b","c"],["b","c","d"])  # returns ["b","c"]
+    intersection(["a","b","c"],[1,2,3,4])      # returns [] (true, when evaluated as a Boolean)
 
-Would return: ["b","c"]
     EOS
   ) do |arguments|