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