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(* Check exportation of Argument Scopes even without import of modules *)
Require Import ZArith.
Module A.
Definition opp := Z.opp.
End A.
Check (A.opp 3).
(* Test extra scopes to be used in the presence of coercions *)
Record B := { f :> Z -> Z }.
Variable a:B.
Arguments a _%Z_scope : extra scopes.
Check a 0.
(* Check that casts activate scopes if ever possible *)
Inductive U := A.
Bind Scope u with U.
Notation "'ε'" := A : u.
Definition c := ε : U.
(* Check activation of type scope for tactics such as assert *)
Goal True.
assert (nat * nat).
Abort.
(* Check propagation of scopes in indirect applications to references *)
Module PropagateIndirect.
Notation "0" := true : bool_scope.
Axiom f : bool -> bool -> nat.
Check (@f 0) 0.
Record R := { p : bool -> nat }.
Check fun r => r.(@p) 0.
End PropagateIndirect.
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