Commit fcee7da0 authored by Robbert Krebbers's avatar Robbert Krebbers

Local update on gset.

parent a90a8e99
......@@ -74,4 +74,13 @@ Section gset.
Proof. eauto using updateP_alloc_strong. Qed.
Lemma updateP_alloc' X : GSet X ~~>: λ Y, i, Y = GSet ({[ i ]} X) i X.
Proof. eauto using updateP_alloc. Qed.
Lemma alloc_singleton_local_update X i Xf :
i X i Xf GSet X ~l~> GSet ({[i]} X) @ Some (GSet Xf).
intros ??; apply local_update_total; split; simpl.
- rewrite !gset_disj_valid_op; set_solver.
- intros mZ ?%gset_disj_valid_op HXf.
rewrite -gset_disj_union -?assoc ?HXf ?cmra_opM_assoc; set_solver.
End gset.
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