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--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Compares each entry in <em>enum</em> with <em>value</em> or passes to <em>block</em>. Returns the index for the first for which the evaluated value is non-false. If no object matches, returns <tt>nil</tt> - !ruby/struct:SM::Flow::VERB body: " (1..10).find_index {|i| i % 5 == 0 and i % 7 == 0 } #=> nil\n (1..100).find_index {|i| i % 5 == 0 and i % 7 == 0 } #=> 34\n (1..100).find_index(50) #=> 49\n" full_name: Enumerable#find_index is_singleton: false name: find_index params: | enum.find_index(value) => int or nil enum.find_index {| obj | block } => int or nil visibility: public