관리-도구

편집 파일: 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 enumerable. If the enumerable is empty, the first form returns <tt>nil</tt>, and the second form returns an empty array. full_name: Enumerable#first is_singleton: false name: first params: | enum.first -> obj or nil enum.first(n) -> an_array visibility: public