[m-rev.] for post-commit review: bespoke type for match completeness

[Zoltan Somogyi]

For review by anyone.

Zoltan.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Log.match
Type: application/octet-stream
Size: 475 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20240301/c020f1c4/attachment.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: DIFF.match
Type: application/octet-stream
Size: 10623 bytes
Desc: not available
URL: <http://lists.mercurylang.org/archives/reviews/attachments/20240301/c020f1c4/attachment-0001.obj>