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| author |  Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2018-07-03 13:32:50 +0200 |
|---|---|---|
| committer | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2018-07-03 13:32:50 +0200 |
| commit | c17b3248f3473ec464ab19196558533f621d796c (patch) | |
| tree | e3daa536a4db6f8fbd64a1c570f1f33a47302a3e /test-suite/success | |
| parent | 4deb788a24b50eec3da66ed32bb85c185123c007 (diff) | |
| parent | bc5304a91cf4627063551422ad6e5a2cd1059897 (diff) | |
Merge PR #7820: [hints] Add Hint Variables/Constants Opaque/Transparent commands
Diffstat (limited to 'test-suite/success')
| -rw-r--r-- | test-suite/success/Hints.v | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test-suite/success/Hints.v b/test-suite/success/Hints.v index 717dc0deb..ebf5b094e 100644 --- a/test-suite/success/Hints.v +++ b/test-suite/success/Hints.v @@ -183,3 +183,33 @@ End HintCut. Goal forall (m : nat), exists n, m = n /\ m = n. intros m; eexists; split; [trivial | reflexivity]. Qed. + +Section HintTransparent. + + Definition fn (x : nat) := S x. + + Create HintDb trans. + + Hint Resolve eq_refl | (_ = _) : trans. + + (* No reduction *) + Hint Variables Opaque : trans. Hint Constants Opaque : trans. + + Goal forall x : nat, fn x = S x. + Proof. + intros. + Fail typeclasses eauto with trans. + unfold fn. + typeclasses eauto with trans. + Qed. + + (** Now allow unfolding fn *) + Hint Constants Transparent : trans. + + Goal forall x : nat, fn x = S x. + Proof. + intros. + typeclasses eauto with trans. + Qed. + +End HintTransparent. |