diff options
author | knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-01-21 15:15:26 +0000 |
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committer | knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-01-21 15:15:26 +0000 |
commit | 064f07ace5916a8b33a4a9824d20376a98edc094 (patch) | |
tree | a36d72b8af020ad5b7dd06bb2110e3bededd9c63 /lib/set.rb | |
parent | 3f3ad7e4d5ed4366ec1cf7a68df39c83a2916b04 (diff) |
Correct descriptions of {proper_,}{superset,subset}?.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3390 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/set.rb')
-rw-r--r-- | lib/set.rb | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/set.rb b/lib/set.rb index c2792dedb1..40715edb36 100644 --- a/lib/set.rb +++ b/lib/set.rb @@ -146,23 +146,21 @@ class Set end alias member? include? - # Returns true if the set is a superset of or is equal to the given - # set. + # Returns true if the set is a superset of the given set. def superset?(set) set.is_a?(Set) or raise ArgumentError, "value must be a set" return false if size < set.size set.all? { |o| include?(o) } end - # Returns true if the set is a superset of or is equal to the given - # set. + # Returns true if the set is a proper superset of the given set. def proper_superset?(set) set.is_a?(Set) or raise ArgumentError, "value must be a set" return false if size <= set.size set.all? { |o| include?(o) } end - # Returns true if the set is a proper subset of the given set. + # Returns true if the set is a subset of the given set. def subset?(set) set.is_a?(Set) or raise ArgumentError, "value must be a set" return false if set.size < size |