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lib/set.rb: improve docs for Set#===

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* lib/set.rb: [DOC] improve description and examples for Set#===.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
stomar 2017-10-29 20:59:33 +00:00
parent b1e77e85b6
commit cd63bec1ed
1 changed files with 11 additions and 6 deletions
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11
lib/set.rb
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@ -490,13 +490,18 @@ class Set
self self
end end
# Returns true if obj is a member of the set, and false otherwise. # Returns true if the given object is a member of the set,
# and false otherwise.
# #
# Used in case statements: # Used in case statements:
# #
# require 'set'
#
# case :apple # case :apple
# when Set[:potato, :carrot] then 'vegetable' # when Set[:potato, :carrot]
# when Set[:apple, :banana] then 'fruit' # "vegetable"
# when Set[:apple, :banana]
# "fruit"
# end # end
# # => "fruit" # # => "fruit"
# #