output-port?
-- vonuvoli
Definition predicate
;
output-port?
(from r7rs
);Procedure variants:
((output-port |1...|) -> (true))
output-port
;...
-- at least one time;true
;((port |1...|) -> (false))
((any |1...|) -> (false))
vs:io
-- (vonuvoli io)
;output-port
;true
;port
;false
;any
;