lispdoc - results for make-in-memory-output-stream

(flexi-streams:make-in-memory-output-stream &key (element-type 'octet)
 transformer)
Function: Returns a binary output stream which accepts objects of type ELEMENT-TYPE (a subtype of OCTET) and makes available a sequence that contains the octes that were actually output. The octets stored will each be transformed by the optional TRANSFORMER function.