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  • Defresult

Reserr

Fixtype of error results.

This is a product type introduced by defprod.

Fields
info — ACL2::any-p

This is the fixtype of error results for defresult; see the introduction of defresult for background and motivation.

An error result consists of some unconstrained information, wrapped with :error to make it distinct from any good value (assuming that good values do not have the form (:error ...), a condition that seems reasonably easy to satisfy).

Subtopics

Reserrp
Recognizer for reserr structures.
Reserr-fix
Fixing function for reserr structures.
Reserr-equiv
Basic equivalence relation for reserr structures.
Make-reserr
Basic constructor macro for reserr structures.
Change-reserr
Modifying constructor for reserr structures.
Reserr->info
Get the info field from a reserr.