From 8dca37990791a5572e7f7df7bbc9a0ab5aa5d8da Mon Sep 17 00:00:00 2001
From: drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 13 May 2011 17:54:22 +0000
Subject: 	* lib/rexml/functions.rb:  Add some documentation for
 REXML::Functions. 	  Patch by Sebastian Martinez.  [Ruby 1.9 - Feature
 #4688]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rexml/functions.rb | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib')

diff --git a/lib/rexml/functions.rb b/lib/rexml/functions.rb
index 7a05d0cf9f..20c8961aee 100644
--- a/lib/rexml/functions.rb
+++ b/lib/rexml/functions.rb
@@ -28,6 +28,7 @@ module REXML
       end
     end
 
+    # Returns the last node of the given list of nodes.
     def Functions::last( )
       @@context[:size]
     end
@@ -36,6 +37,7 @@ module REXML
       @@context[:index]
     end
 
+    # Returns the size of the given list of nodes.
     def Functions::count( node_set )
       node_set.size
     end
@@ -129,6 +131,11 @@ module REXML
       end
     end
 
+    # A node-set is converted to a string by
+    # returning the concatenation of the string-value
+    # of each of the children of the node in the
+    # node-set that is first in document order.
+    # If the node-set is empty, an empty string is returned.
     def Functions::string_value( o )
       rv = ""
       o.children.each { |e|
-- 
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