Method: Roo::Excelx::Sheet#last_column

Defined in:

lib/roo/excelx/sheet.rb

#last_column ⇒ Object

returns the number of the last non-empty column

# File 'lib/roo/excelx/sheet.rb', line 67

def last_column
  @last_column ||= present_cells.keys.map { |_, col| col }.max
end