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instance method

CSV::Table#by_col!

table.by_col! → self

# File tmp/rubies/ruby-3.1.3/lib/csv/table.rb, line 257
def by_col!
  @mode = :col

  self
end

Sets the mode for self to column mode (see Column Mode); returns self:

Example

source = "Name,Value\nfoo,0\nbar,1\nbaz,2\n"
table = CSV.parse(source, headers: true)
table.mode # => :col_or_row
table1 = table.by_col!
table.mode # => :col
table1.equal?(table) # => true # Returned self

See also #by_col #by_col_or_row #[]= #by_col_or_row! also in 3.3 · 3.2 · 3.0

‹ prev#by_col next ›#by_col_or_row