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Enumerable
one%3f-i.yaml
--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Passes each element of the collection to the given block. The method returns <tt>true</tt> if the block returns <tt>true</tt> exactly once. If the block is not given, <tt>one?</tt> will return <tt>true</tt> only if exactly one of the collection members is true. - !ruby/struct:SM::Flow::VERB body: " %w{ant bear cat}.one? {|word| word.length == 4} #=> true\n %w{ant bear cat}.one? {|word| word.length > 4} #=> false\n %w{ant bear cat}.one? {|word| word.length < 4} #=> false\n [ nil, true, 99 ].one? #=> false\n [ nil, true, false ].one? #=> true\n" full_name: Enumerable#one? is_singleton: false name: one? params: | enum.one? [{|obj| block }] => true or false visibility: public
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