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| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-06-09 10:08:53 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-06-09 10:08:53 +0000 |
| commit | cb586ea65a1ad38626b7481ff8b30007f488705d (patch) | |
| tree | 7d68bc334fb032bcb3f9a1ccbc26f3546a0b6e27 /test-suite/success/ltac.v | |
| parent | 40dee46e5f119d6642a5dc7661778746aff25580 (diff) | |
Backported r13080 (support for open terms in ltac matching) from trunk to v8.3.
Also updated perf-analysis file (the part of the commit that delays typing of
ltac instances seems to slightly improve a few contributions)
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13096 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'test-suite/success/ltac.v')
| -rw-r--r-- | test-suite/success/ltac.v | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test-suite/success/ltac.v b/test-suite/success/ltac.v index dfa41c820..bbaeb0899 100644 --- a/test-suite/success/ltac.v +++ b/test-suite/success/ltac.v @@ -243,3 +243,26 @@ test_open_match (forall z y, y + z = 0). reflexivity. apply I. Qed. + +(* Test binding of open terms with non linear matching *) + +Ltac f_non_linear t := + match t with + (forall x y, ?u = 0) -> (forall y x, ?u = 0) => + assert (forall x y:nat, u = u) + end. + +Goal True. +f_non_linear ((forall x y, x+y = 0) -> (forall x y, y+x = 0)). +reflexivity. +f_non_linear ((forall a b, a+b = 0) -> (forall a b, b+a = 0)). +reflexivity. +f_non_linear ((forall a b, a+b = 0) -> (forall x y, y+x = 0)). +reflexivity. +f_non_linear ((forall x y, x+y = 0) -> (forall a b, b+a = 0)). +reflexivity. +f_non_linear ((forall x y, x+y = 0) -> (forall y x, x+y = 0)). +reflexivity. +f_non_linear ((forall x y, x+y = 0) -> (forall y x, y+x = 0)) (* should fail *) +|| exact I. +Qed. |