Similar tests for `curry`.

tests/algebra.v

@@ -81,3 +81,16 @@ Lemma uncurry4_ne_test {A B C D E : ofe} (f : A → B → C → D → E) :
   (∀ n, Proper (dist n ==> dist n ==> dist n ==> dist n ==> dist n) f) →
   NonExpansive (uncurry4 f).
 Proof. apply _. Qed.
+
+Lemma curry_ne_test {A B C : ofe} (f : A * B → C) :
+  NonExpansive f →
+  ∀ n, Proper (dist n ==> dist n ==> dist n) (curry f).
+Proof. apply _. Qed.
+Lemma curry3_ne_test {A B C D : ofe} (f : A * B * C → D) :
+  NonExpansive f →
+  ∀ n, Proper (dist n ==> dist n ==> dist n ==> dist n) (curry3 f).
+Proof. apply _. Qed.
+Lemma curry4_ne_test {A B C D E : ofe} (f : A * B * C * D → E) :
+  NonExpansive f →
+  ∀ n, Proper (dist n ==> dist n ==> dist n ==> dist n ==> dist n) (curry4 f).
+Proof. apply _. Qed.