From fa4af4d4cd49be48e92ee7f5fb3588f51924b258 Mon Sep 17 00:00:00 2001
From: zzak <zzak@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 28 Jan 2014 06:19:19 +0000
Subject: * lib/set.rb: [DOC] Add examples for Set#intersect? and Set#disjoint?
   Patch by xavier nayrac [Bug #9331] [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44724 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/set.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'lib')

diff --git a/lib/set.rb b/lib/set.rb
index e30d590c5d..3aebb89376 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -240,6 +240,12 @@ class Set
 
   # Returns true if the set and the given set have at least one
   # element in common.
+  #
+  # e.g.:
+  #
+  #   require 'set'
+  #   Set[1, 2, 3].intersect? Set[4, 5] # => false
+  #   Set[1, 2, 3].intersect? Set[3, 4] # => true
   def intersect?(set)
     set.is_a?(Set) or raise ArgumentError, "value must be a set"
     if size < set.size
@@ -251,6 +257,13 @@ class Set
 
   # Returns true if the set and the given set have no element in
   # common.  This method is the opposite of +intersect?+.
+  #
+  # e.g.:
+  #
+  #   require 'set'
+  #   Set[1, 2, 3].disjoint? Set[3, 4] # => false
+  #   Set[1, 2, 3].disjoint? Set[4, 5] # => true
+
   def disjoint?(set)
     !intersect?(set)
   end
-- 
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