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predlib: assert n important property when adding a new type

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The property in question is a strict total order within the kingdom.
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Daniel Kochmański 2025-08-25 14:08:53 +02:00
parent 6de56d977f
commit 783289c629
1 changed files with 2 additions and 0 deletions
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2
src/lsp/predlib.lsp
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@ -956,6 +956,8 @@ if not possible."
(setq subtype-tag (logior other-tag subtype-tag)))
(t
(setq disjoint-tag (logior disjoint-tag other-tag))))))))
(unless (logand disjoint-tag subtype-tag)
(error "Some types in the family does not have a strict total order."))
(values (logandc2 supertype-tag (logior disjoint-tag subtype-tag))
subtype-tag)))