feat(data/alist,data/finmap): always insert key-value pair #722
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{alist,finmap}.insert
to always insert the key-value pair instead of doing nothing if the inserted key is found. This allows for useful theorems such aslookup_insert
.list.keys
and used key membership instead of exists/forall. This makes proofs easier in some places.lookup_eq_none
,lookup_erase
,lookup_erase_ne
.