Current Path : /usr/local/share/ri/1.8/system/Hash/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/local/share/ri/1.8/system/Hash/index-i.yaml |
--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Returns the key for a given value. If not found, returns <tt>nil</tt>. - !ruby/struct:SM::Flow::VERB body: " h = { "a" => 100, "b" => 200 }\n h.index(200) #=> "b"\n h.index(999) #=> nil\n" full_name: Hash#index is_singleton: false name: index params: | hsh.index(value) => key visibility: public