End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

CSV#writer

writer

# File tmp/rubies/ruby-3.1.3/lib/csv.rb, line 2836
def writer
  @writer ||= Writer.new(@io, writer_options)
end

No documentation available

See also #write_headers? #writer_fields_converter #unconverted_fields? #writer_options also in 3.3 · 3.2 · 3.0