Update stdlib

[mirror/dsa-puppet.git] / 3rdparty / modules / stdlib / lib / puppet / parser / functions / intersection.rb

diff --git a/3rdparty/modules/stdlib/lib/puppet/parser/functions/intersection.rb b/3rdparty/modules/stdlib/lib/puppet/parser/functions/intersection.rb
index 48f02e9..8a438f4 100644 (file)
--- a/3rdparty/modules/stdlib/lib/puppet/parser/functions/intersection.rb
+++ b/3rdparty/modules/stdlib/lib/puppet/parser/functions/intersection.rb
@@ -4,19 +4,18 @@
 
 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|
 
     # Two arguments are required
-    raise(Puppet::ParseError, "intersection(): Wrong number of arguments " +
-      "given (#{arguments.size} for 2)") if arguments.size != 2
+    raise(Puppet::ParseError, "intersection(): Wrong number of arguments given (#{arguments.size} for 2)") if arguments.size != 2
 
     first = arguments[0]
     second = arguments[1]