CGI::Cookie#to_s

# File tmp/rubies/ruby-3.0.5/lib/cgi/cookie.rb, line 166
def to_s
  val = collect{|v| CGI.escape(v) }.join("&")
  buf = "#{@name}=#{val}".dup
  buf << "; domain=#{@domain}" if @domain
  buf << "; path=#{@path}"     if @path
  buf << "; expires=#{CGI.rfc1123_date(@expires)}" if @expires
  buf << "; secure"            if @secure
  buf << "; HttpOnly"          if @httponly
  buf
end