CSV::Parser::InputsScanner#scan_all

# File tmp/rubies/ruby-3.0.5/lib/csv/parser.rb, line 152
def scan_all(pattern)
  value = @scanner.scan(pattern)
  return value if @last_scanner

  return nil if value.nil?
  while @scanner.eos? and read_chunk and (sub_value = @scanner.scan(pattern))
    value << sub_value
  end
  value
end