# File lib/spreadsheet/worksheet.rb, line 204 def write(row, col, data=nil, format=nil) if data.nil? write_blank(row, col, format) elsif data.kind_of?(Array) write_row(row, col, data, format) elsif data.kind_of?(Numeric) write_number(row, col, data, format) else write_string(row, col, data, format) end end