Handbook
Glossary
Null streams
The
io
.
streams
.
null
vocabulary implements a pair of streams which are useful for testing. The null reader always yields EOF and the null writer ignores all output. Conceptually, they are similar to
/dev/null
on a Unix system.
Null readers:
null-reader
with-null-writer
( quot -- )
Null writers:
null-writer
with-null-reader
( quot -- )