chickadee » srfi-40 » stream-pair?

stream-pair? objectprocedure

stream-pair? returns #t if the object is a stream pair created by stream-cons, and otherwise returns #f.

(stream-pair? stream-null)                  => #f
(stream-pair? (stream-cons 'a stream-null)) => #t
(stream-pair? 3)                            => #f