Scheme Request for Implementation 181,
"Custom ports,"
by John Cowan,
is now available for discussion.

Its draft and an archive of the ongoing discussion are available at <https://srfi.schemers.org/srfi-181/>.

You can join the discussion of the draft by filling out the
subscription form on that page.

You can contribute a message to the discussion by sending it to <srfi-181@srfi.schemers.org>.

Here's the abstract:

This is an extract from the R6RS that documents its support for
custom ports. These provide a hook into the Scheme port system from
below, allowing the creation of binary and textual ports that behave
exactly like file, string, and bytevector ports, but whose basic
operations are provided by user code. It has been lightly edited to
fit R7RS style.

Regards,


SRFI Editor

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