- output-port? Pprocedure
- input-port? Pprocedure
- binary-port? Pprocedure
- textual-port? Pprocedure
Port predicates. These operations always expect a port as argument and only distinguish between input/output and/or textual/binary ports.
Port predicates. These operations always expect a port as argument and only distinguish between input/output and/or textual/binary ports.