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* lib/set.rb: [DOC] Add examples for Set#intersect? and Set#disjoint?

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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
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zzak 2014-01-28 06:19:19 +00:00
parent 5d83f5554f
commit fa4af4d4cd
2 changed files with 18 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Tue Jan 28 15:17:59 2014 Zachary Scott <e@zzak.io>
* lib/set.rb: [DOC] Add examples for Set#intersect? and Set#disjoint?
Patch by xavier nayrac [Bug #9331] [ci skip]
Tue Jan 28 15:12:22 2014 Zachary Scott <e@zzak.io> Tue Jan 28 15:12:22 2014 Zachary Scott <e@zzak.io>
* ext/zlib/zlib.c (rb_zlib_adler32): [DOC] Add example for adler32 * ext/zlib/zlib.c (rb_zlib_adler32): [DOC] Add example for adler32

13
lib/set.rb
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@ -240,6 +240,12 @@ class Set
# Returns true if the set and the given set have at least one # Returns true if the set and the given set have at least one
# element in common. # 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) def intersect?(set)
set.is_a?(Set) or raise ArgumentError, "value must be a set" set.is_a?(Set) or raise ArgumentError, "value must be a set"
if size < set.size if size < set.size
@ -251,6 +257,13 @@ class Set
# Returns true if the set and the given set have no element in # Returns true if the set and the given set have no element in
# common. This method is the opposite of +intersect?+. # 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) def disjoint?(set)
!intersect?(set) !intersect?(set)
end end