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| author |  Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2018-06-26 22:48:20 +0200 |
|---|---|---|
| committer | Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2018-06-26 22:48:20 +0200 |
| commit | 74716b32ce4d37a1210dfff659870995dda99e10 (patch) | |
| tree | c09600ff37b5e7dcc956bb88c6125ec1390a0ceb /engine/evarutil.mli | |
| parent | b98ae49d282f73343c1950e960f4b3bc7c28de70 (diff) | |
| parent | 8ab4f8f76958d2603858ad3e4073be61ad38d113 (diff) | |
Merge PR #7826: evd: restrict_evar with candidates, can raise NoCandidatesLeft
Diffstat (limited to 'engine/evarutil.mli')
| -rw-r--r-- | engine/evarutil.mli | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/engine/evarutil.mli b/engine/evarutil.mli index db638be9e..8ce1b625f 100644 --- a/engine/evarutil.mli +++ b/engine/evarutil.mli @@ -65,9 +65,6 @@ val new_type_evar : val new_Type : ?rigid:rigid -> env -> evar_map -> evar_map * constr -val restrict_evar : evar_map -> Evar.t -> Filter.t -> - ?src:Evar_kinds.t Loc.located -> constr list option -> evar_map * Evar.t - (** Polymorphic constants *) val new_global : evar_map -> GlobRef.t -> evar_map * constr @@ -231,9 +228,18 @@ raise OccurHypInSimpleClause if the removal breaks dependencies *) type clear_dependency_error = | OccurHypInSimpleClause of Id.t option | EvarTypingBreak of Constr.existential +| NoCandidatesLeft of Evar.t exception ClearDependencyError of Id.t * clear_dependency_error * GlobRef.t option +(** Restrict an undefined evar according to a (sub)filter and candidates. + The evar will be defined if there is only one candidate left, +@raise ClearDependencyError NoCandidatesLeft if the filter turns the candidates + into an empty list. *) + +val restrict_evar : evar_map -> Evar.t -> Filter.t -> + ?src:Evar_kinds.t Loc.located -> constr list option -> evar_map * Evar.t + val clear_hyps_in_evi : env -> evar_map -> named_context_val -> types -> Id.Set.t -> evar_map * named_context_val * types |