Ruby 1.9.2 リファレンスマニュアル > ライブラリ一覧 > csvライブラリ > CSV::Tableクラス > by_row!

instance method CSV::Table#by_row!

by_row! -> self

Switches the mode of this table to row mode. All calls to indexing and iteration methods will work with rows until the mode is changed again.

This method returns the table and is safe to chain.