underlying-handle ( stream -- handle )

Vocabulary

io.ports

Inputs

stream

an object

Outputs

handle

an object

Definition

IN: io.ports

GENERIC: underlying-handle ( stream -- handle )

Methods

USING: io.ports io.streams.duplex kernel ;

M: duplex-stream underlying-handle
    >duplex-stream< [ underlying-handle ] bi@
    [ = [ invalid-duplex-stream ] when ] keep ;


USING: accessors io.ports kernel ;

M: object underlying-handle underlying-port handle>> ;