diff options
| author |  aspiwack <aspiwack@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2013-11-02 15:38:41 +0000 |
|---|---|---|
| committer | aspiwack <aspiwack@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2013-11-02 15:38:41 +0000 |
| commit | af63420fe7202f01b483812bc1f5ff50c5a640e2 (patch) | |
| tree | eb124c5a451cb55a3080093994b14a8960251a68 /parsing | |
| parent | a9cfc4691726ac248dc7bbc43bb5ae8a7db3233f (diff) | |
Adds a tactical once.
[once t] does just as [t] but has exactly one success it [t] has at least one success.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@17004 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'parsing')
| -rw-r--r-- | parsing/g_ltac.ml4 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/parsing/g_ltac.ml4 b/parsing/g_ltac.ml4 index 96f4bc387..033de89df 100644 --- a/parsing/g_ltac.ml4 +++ b/parsing/g_ltac.ml4 @@ -66,6 +66,7 @@ GEXTEND Gram | IDENT "timeout"; n = int_or_var; ta = tactic_expr -> TacTimeout (n,ta) | IDENT "repeat"; ta = tactic_expr -> TacRepeat ta | IDENT "progress"; ta = tactic_expr -> TacProgress ta + | IDENT "once"; ta = tactic_expr -> TacOnce ta | IDENT "infoH"; ta = tactic_expr -> TacShowHyps ta (*To do: put Abstract in Refiner*) | IDENT "abstract"; tc = NEXT -> TacAbstract (tc,None) |