--- !ruby/object:RDoc::RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:RDoc::Markup::Flow::P 
  :body: Switches the mode of this table to column mode. All calls to indexing and iteration methods will work with columns until the mode is changed again.
- !ruby/struct:RDoc::Markup::Flow::P 
  :body: This method returns the table and is safe to chain.
full_name: CSV::Table#by_col!
is_singleton: false
name: by_col!
params: ()
visibility: public
