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ruby18
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ri
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Array
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View File Name :
fetch-i.yaml
--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Tries to return the element at position <em>index</em>. If the index lies outside the array, the first form throws an <tt>IndexError</tt> exception, the second form returns <em>default</em>, and the third form returns the value of invoking the block, passing in the index. Negative values of <em>index</em> count from the end of the array. - !ruby/struct:SM::Flow::VERB body: " a = [ 11, 22, 33, 44 ]\n a.fetch(1) #=> 22\n a.fetch(-1) #=> 44\n a.fetch(4, 'cat') #=> "cat"\n a.fetch(4) { |i| i*i } #=> 16\n" full_name: Array#fetch is_singleton: false name: fetch params: | array.fetch(index) -> obj array.fetch(index, default ) -> obj array.fetch(index) {|index| block } -> obj visibility: public