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ruby18
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ri
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1.8
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system
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Array
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View File Name :
first-i.yaml
--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns the first element, or the first <tt>n</tt> elements, of the array. If the array is empty, the first form returns <tt>nil</tt>, and the second form returns an empty array. - !ruby/struct:SM::Flow::VERB body: " a = [ "q", "r", "s", "t" ]\n a.first #=> "q"\n a.first(1) #=> ["q"]\n a.first(3) #=> ["q", "r", "s"]\n" full_name: Array#first is_singleton: false name: first params: | array.first -> obj or nil array.first(n) -> an_array visibility: public