output-port-open -- r7rs Type

§

Super-types

§

• output-port;
• port-open;

Super-types recursive

§

• port;

Sub-types

§

• binary-output-port-open;
• textual-output-port-open;

Referent definitions as input

§

• output-port-open?;
• close-port;
• close-output-port;
• newline;
• flush-output-port;

Referent definitions as input (recursive)

§

• port?;
• binary-port?;
• textual-port?;
• input-port?;
• input-port-open?;
• output-port?;
• call-with-port;

Note: These definitions consume an input that is a super-type.

Predicate

§

(lambda (value) (and (output-port? value) (output-port-open? value)))

Categories

§

• types-ports;

Categories recursive

§

• types;