Final SRFI 229: Tagged Procedures

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Arthur A. Gleckler

Nov 15, 2021, 4:57:12 PM11/15/21
Scheme Request for Implementation 229,
"Tagged Procedures,"
by Marc Nieper-Wißkirchen,
has gone into final status.

The document and an archive of the discussion are available at

Here's the abstract:

This SRFI defines tagged procedures, which are procedures that are
tagged with a Scheme value when created through the syntax lambda/tag
and case-lambda/tag. The value of the tag of a procedure can be
retrieved with procedure-tag, and the predicate procedure/tag?
discerns whether a procedure is tagged.

Here is the commit summary since the most recent draft:

- Finalize.

Here are the diffs since the most recent draft:


Many thanks to Marc and to everyone who contributed to the discussion of
this SRFI.


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